A ship monitoring device includes processing circuitry that accepts a specification of a position in an image displayed on a display unit, acquires first ship data indicative of a position and a velocity of a first ship, acquires a plurality of second ship data indicative of positions and velocities of a plurality of second ships, calculates a collision risk area where a risk of the first ship colliding each of the second ships becomes more than a given value, based on the first ship data and the plurality of second ship data, and displays a plurality of ship objects indicative of the plurality of second ships, and the collision risk area disposed at corresponding positions in the image, and when a specification of the collision risk area is accepted, displays the ship object corresponding to the specified collision risk area so as to be discriminated from other ship objects.
A ship monitoring device includes processing circuitry that acquires first and second ship data indicative of a position and a velocity of a first ship and a second ship. It identifies, a first area of an estimated course of the second ship, where a risk of the first ship and the second ship colliding with each other becomes more than a given value, and a second area separated from the first area in a traveling direction of the second ship. It displays a first collision risk area including the first area, and a second collision risk area including the second area, and displays an end part of the first collision risk area on the second area side and an end part of the second collision risk area on the first area side so as to be discriminated from the remaining end parts.
B63B 49/00 - Arrangements of nautical instruments or navigational aids
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
A fish finder system is provided with a capture device information input terminal configured to input a capture device information, a capture device dropping point input terminal configured to input a dropping point at which a capture device is dropped, a tidal current input terminal configured to input tidal current information including a tidal current direction and a tidal current speed, and processing circuitry communicatively coupled to the capture device information input terminal, the capture device dropping point input terminal, and the tidal current input terminal. The processing circuitry is configured to calculate a drift amount of the capture device relative to the dropping point and calculate a capture device arrival point at which the capture device arrives in the water.
The present disclosure provides an image generating device that includes processing circuitry configured to acquire positional information indicative of a position of a water-surface movable body where an imaging device is to be installed, acquire posture information indicative of a posture of the water-surface movable body, acquire additional display information including information indicative of positions of a plurality of locations, generate three-dimensional display data for displaying a graphic indicative of the additional display information by superimposedly placing the graphic on a water surface portion of an image outputted from the imaging device based on the positional information, the posture information, and the positions of the plurality of locations included in the additional display information, and output the graphic rendering the three-dimensional display data.
A time until highly accurate position measurement starts is estimated. The positioning device includes processing circuitry configured to perform position measurement using carrier phases of a plurality of position measurement signals to calculate a position measurement result and an accuracy index of the position measurement result. The processing circuitry estimates the predicted convergence time of the position measurement based on the accuracy index.
A ship monitoring system includes processing circuitry. The processing circuitry estimates an estimated position of a first ship after a first period of time in each direction, based on first ship data including a position and a velocity of the first ship, by using a first formula, in case assuming that the first ship travels after the first ship changed the course at the current position into an arbitrary direction. The processing circuitry estimates an estimated course of a second ship and an estimated position of the second ship after a second period of time, that is included in the estimated course of the second ship, based on second ship data including a position and a velocity of the second ship, by using a second formula.
A patch array antenna, an antenna, and a Radio Detecting and Ranging (RADAR) apparatus are disclosed. The patch array antenna is provided with a dielectric substrate and a plurality of antenna elements formed on the dielectric substrate. The patch array antenna is arranged in a first direction (longitudinal direction L) and connected in series. At least one terminal of at least one input terminal and at least one output terminal connected to at least one antenna element among the plurality of antenna elements is connected at a position away from the centerline extending in the first direction of the antenna element. The antenna includes a plurality of patch array antennas and the RADAR apparatus is formed using the antenna.
G01S 7/03 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
H01Q 21/08 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a rectilinear path
A temperature of an electronic circuit device such as an integrated circuit is measured with high accuracy. The electronic circuit device (10) includes a main processor (20) and a temperature measurement module (30). The main processor (20) can execute predetermined signal processing. The temperature measurement module (30) generates a signal having a correspondence relationship with the temperature of the main processor (20) under a mode in which the temperature measurement module is driven at a predetermined low power consumption or less and the thermal resistance between the temperature measurement module and the main processor (20) is a predetermined thermal resistance value or less.
G01K 7/20 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer in a specially-adapted circuit, e.g. bridge circuit
G01K 15/00 - Testing or calibrating of thermometers
A slot array antenna includes a waveguide and a horn. The waveguide has a first surface including multiple slots arranged along a longitudinal direction of the first surface to radiate radio waves. The width of the first surface in the lateral direction is greater than half of a wavelength of the radio waves. The horn, fixedly attached to the waveguide, enlarges towards a radiation direction of the radio waves. The horn has upper and lower portions bent inwards twice with respect to a lateral direction of the first surface to form first and second narrow openings. An opening width of the first narrow opening is less than the width of the first surface. An opening width of the second narrow opening is less than or equal to two fifth of the wavelength. Thus, a side lobe generated due to horizontal polarization of the radio waves is suppressed.
Provided is a generation method for a learning model that can efficiently estimate altitude-by-altitude water vapor densities or precipitable water amounts. According to the present invention, a generation method for a learning model involves: acquiring training data that includes first measurement data measured by a microwave radiometer and altitude-by-altitude water vapor densities or precipitable water amounts obtained from second measurement data measured by a radiosonde: and, on the basis of the acquired training data, generating a learning model that, when first measurement data has been inputted, outputs altitude-by-altitude water vapor densities or precipitable water amounts.
G01W 1/10 - Devices for predicting weather conditions
G01N 22/00 - Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
To more reliably achieve the turn intended by the operator without making major system changes. The ship control device is provided with an input unit for inputting a maneuvering command value related to the operation control of the ship and a control unit for generating and outputting a steering angle command signal and a throttle command signal to the ship based on the maneuvering command value. If the maneuvering command value is in the intermittent control range, the control unit outputs a throttle command signal with an intermittent control waveform having a Hi level and a Low level.
B63H 25/42 - Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
13.
APPARATUS AND METHOD FOR CHECKING STIRRING QUALITY OF A CHEMICAL ANALYZER
The present disclosure provides an apparatus (200) for checking stirring quality of a chemical analyzer (100). The apparatus includes a stirrer (202) configured to generate agitation of a test liquid (210) in a first cuvette (212). The apparatus includes a convection generator (208) configured to generate thermal convection of the test liquid. The thermal convection is generated due to temperature difference caused by providing different temperature to the first cuvette. The apparatus includes a photometric device (204) configured to radiate light through the test liquid and continuously generate an output signal upon receipt of the radiated light through the test liquid. Further, the apparatus includes a determination module (206) configured to determine photometric data associated with absorbance values of the test liquid. The determination module is configured to determine at least one metric representing the stirring quality of the test liquid based on the photometric data.
A navigation route planning apparatus includes processing circuitry configured to receive a planned route indicating a route and a current course direction of a movable body, receive movable body information that includes a position, a travelling direction, and a speed of the own ship, receive obstacle information that includes a position, a traveling direction, and a speed of an obstacle, determine a collision risk value associated with the planned route along the current course direction based on the movable body information and the obstacle information, and determine whether the movable body requires to at least one of evade the planned route and continue traversing on the planned route based on the collision risk value.
A disturbance estimation apparatus including a navigation data receiver, a thrust data receiver, and processing circuitry is provided. The navigation data receiver acquires navigation data including an actual position and time of the ship on a water surface. The thrust data receiver receives thrust data indicating a magnitude and a direction of a thrust force of the ship. The processing circuitry estimates a predicted position of the ship under an absence of a disturbance condition at a predetermined time in the future using a first state estimation model based on the navigation data and the thrust data and determines disturbance data including a drift direction of the ship drifted by an external force based on a difference between the predicted position estimated by the first state estimation model and an actual position of the ship at the predetermined time.
A disturbance estimation apparatus including a navigation data receiver, a thrust data receiver, and processing circuitry is provided. The navigation data receiver acquires navigation data including an actual position and time of the ship on a water surface. The thrust data receiver receives thrust data indicating a magnitude and a direction of a thrust force of the ship. The processing circuitry estimates a predicted position of the ship at a future point in time and a predicted arrival time of the ship to reach the predicted position by inputting the navigation data and the thrust data into a first trained model, and determines disturbance data including a drift direction and drift speed of the ship drifted by an external force based on a difference between the predicted position estimated by the first trained model and the actual position of the ship at the predicted arrival time.
B63B 79/15 - Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers for monitoring environmental variables, e.g. wave height or weather data
B63H 25/04 - Initiating means for steering automatic, e.g. reacting to compass
B63B 49/00 - Arrangements of nautical instruments or navigational aids
A slot array antenna that includes radiation, base, and grating plates is disclosed. The radiation plate has a first surface having multiple slots to radiate radio waves, second and third surfaces forming a horn shape, and proximal and distal connecting members. The base plate has first, second, and third surfaces forming a U-shape, and notches. The connecting members of the radiation are removably insertable into the notches to assemble the slot array antenna for the radiation of the radio waves and to suppress noise signals.
An obstruction zone generation device (3) for a movable body (1) includes a calculation information generation module (31) to generate calculation information based on sensor information acquired by one or more information acquisition devices (2), an obstruction zone calculation module (32) to calculate an obstacle zone by target (OZT) for each target ship of one or more target ships (204a-204d) and generate OZT information, a mask area determination module (33) to determine for each target ship of the one or more target ships (204a-204d) whether to mask the OZT of the respective target ship in the OZT information based on a direction of the respective target ship and generate output information, and a display information generation module (34) configured to generate OZT display information for displaying the OZT of the one or more target ships (204a-204d) based on the output information and the OZT information.
B63B 43/18 - Improving safety of vessels, e.g. damage control, not otherwise provided for reducing collision damage
B63B 49/00 - Arrangements of nautical instruments or navigational aids
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
Various embodiments of the present disclosure provide an apparatus and method for determining the target area associated with the vessel. The apparatus includes a motion data receiver and processing circuitry. The motion data receiver is configured to determine a motion-related data of a vessel. The processing circuitry is communicably coupled to the motion data receiver. Further, the processing circuitry is configured to cause the apparatus to determine a change in a moving direction of the vessel based at least on the motion-related data of the vessel. Furthermore, the processing circuitry is configured to adaptively determine a target area associated with the vessel based on the change in the moving direction of the vessel, thereby enabling the apparatus to determine the target area based on the change in the moving direction of the vessel.
An underwater detection device includes a transmitter, a receiver, an actuator, a controller, and a signal processor. The transmitter transmits a transmission wave. The receiver receives a reflection wave of the transmission wave. The actuator rotates the transmitter and the receiver in a mutually synchronized fashion. The controller makes the transmitter transmit a plurality of transmission waves at mutually different frequencies in order, for every given unit rotation angle. The signal processor generates an echo signal for indication in a direction of the unit rotation angle based on a reception signal at each of the frequencies acquired from a range of the unit rotation angle.
G01S 15/42 - Simultaneous measurement of distance and other coordinates
G01S 7/52 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
21.
ANALYSIS SYSTEM, ANALYSIS METHOD, ANALYSIS DEVICE, AND COMPUTER-READABLE RECORDING MEDIUM
This analysis system 1 comprises: an electric stimulus device 2 which applies an electric stimulus formed of short pulses on a muscle; an ultrasonic wave pulse echo device 3 which transmits ultrasonic waves to the muscle and receives a reflected ultrasonic wave; and an analysis unit 33 which analyzes, on the basis of the reflected ultrasonic wave, contraction characteristics of the muscle at the time of a simple contraction response of the muscle with respect to the electric stimulus.
Proper setting of feedback control according to the ship.
Proper setting of feedback control according to the ship.
The ship control device includes processing circuitry configured to set the ship characteristic parameters of the combined system of first order lag and dead time, which integrates the behavior of the rudder and the behavior of the ship. Using the ship characteristic parameters, the processing circuitry is further configured to calculate the control parameters of feedback control with respect to the rudder angle of the rudder. Using the control parameters, the processing circuitry is further configured to perform feedback control.
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
B63H 25/04 - Initiating means for steering automatic, e.g. reacting to compass
G05D 1/02 - Control of position or course in two dimensions
23.
DISTURBANCE ESTIMATING APPARATUS, METHOD, AND COMPUTER PROGRAM
A disturbance estimation apparatus that includes a position data receiver, a thrust data receiver, and processing circuitry is provided. The position data receiver receives position data indicating a position of a ship. The thrust data receiver receives thrust data indicating a thrust force driving the ship during navigation. The processing circuitry determines a magnitude of the thrust force based on the thrust data, and determines, based on the position data, disturbance data including a drift direction in which the ship drifts due to an external force and a drift speed of the ship while the thrust force is less than a threshold value. The processing circuitry outputs the disturbance data that indicates disturbance acting on the ship and assists to control movement of the ship for automatically maintaining a selected position or heading direction of the ship.
G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
G05B 11/36 - Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
G05D 1/08 - Control of attitude, i.e. control of roll, pitch, or yaw
G01S 19/01 - Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
24.
AUGMENTED REALITY VESSEL MANEUVERING SYSTEM AND METHOD
Various embodiments of the present disclosure provide an augmented reality (AR) vessel maneuvering system and method capable of intuitively and easily setting at least one of: a target position and an attitude of a vessel. The AR vessel maneuvering system includes processing circuitry configured to generate an image including a vessel object representing a vessel in a region corresponding to a viewpoint position and a line-of-sight direction, superimpose and display the image including the vessel object on an outside scene of the region corresponding to the viewpoint position and the line-of-sight direction, detect an operation on the vessel object displayed in the image, and output a command to a navigation device used for navigating the vessel to execute a navigation operation corresponding to the operation on the vessel object. The navigation device is a marine navigation device.
The present disclosure provides a frequency deviation estimation device for estimating a frequency deviation upon receiving a digitally modulated non-repetitive signal. The frequency deviation estimation device is equipped with an instantaneous frequency measurement module, a minimum frequency detection module, and a frequency deviation calculation module. The instantaneous frequency measurement module measures the instantaneous frequency of the received communication signal. The minimum frequency detection module detects the minimum frequency of the instantaneous frequency. The frequency deviation calculation module calculates the frequency deviation between the received communication signal and the reference signal for coarse adjustment using the reference minimum frequency and the minimum frequency when the frequency deviation is zero Hertz.
An autonomous cruising system is capable of discriminating a port sign and a starboard sign without depending on a position of a ship. The system includes processing circuitry that acquires an image generated by a camera installed in a ship. The processing circuitry identifies whether a mode of a lateral buoy included in the image is either a first mode or a second mode. The processing circuitry determines a country to which a position of the ship detected by a position detector belongs. The processing circuitry determines whether description of a sign of the lateral buoy is the port sign or the starboard sign, from the mode of the lateral buoy and the determined country, based on a given correspondence relationship indicative of whether each of the first mode and the second mode corresponds to either one of the port sign and the starboard sign in each country.
A timing detection device includes a main reference code generation module, an auxiliary reference code generation module, a first correlation processing module, a second correlation processing module, and a subtraction module. The main reference code generation module generates a main reference code consisting of the same code for synchronization included in a received signal. Using a portion of the same code as the code for synchronization, the auxiliary reference code generation module generates an auxiliary reference code consisting of a code configuration different from the main reference code and without generating a main lobe during correlation processing. The first correlation processing module correlates the received signal with the main reference code and outputs a first correlation result. The second correlation processing module correlates the received signal with the auxiliary reference code and outputs a second correlation result. The subtraction module subtracts the first correlation result from the second correlation result.
The present disclosure provides an autonomous cruising system capable of improving an accuracy of identifying description of a sign. The autonomous cruising system includes processing circuitry. The processing circuitry acquires a first image including a buoy from a camera installed in a ship. The processing circuitry identifies a position of the buoy inside the first image. The processing circuitry acquires a second image corresponding to a partial area of the first image including the position of the buoy, and the second image is higher in resolution than the first image. The processing circuitry identifies description of a sign of the buoy based on the second image.
B63B 49/00 - Arrangements of nautical instruments or navigational aids
G06T 7/70 - Determining position or orientation of objects or cameras
G06V 10/764 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using classification, e.g. of video objects
H04N 23/695 - Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
H04N 23/69 - Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
B63B 79/10 - Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
G01C 21/20 - Instruments for performing navigational calculations
A demodulation device includes a phase rotation module, a phase adjustment module, a phase comparison module, and a reference signal generation module. The phase rotation module rotates phases of an I-Phase signal and a Q-Phase signal in a received signal of a multilevel PSK signal using a reference signal. The phase adjustment module adjusts the phases of the phase rotated I-Phase signal and the phase rotated Q-Phase signal output from the phase rotation module by multiplying the phases of the I-Phase signal and the Q-Phase signal with an integer value to generate a phase adjusted I-Phase signal and a phase adjusted Q-Phase signal. The phase comparison module compares the phase of the phase adjusted I-Phase signal with the phase of the phase adjusted Q-Phase signal to generate a phase comparison result. Also, the reference signal generation module generates a reference signal using the phase comparison result.
A radar signal processing device includes: a shielding length calculating unit (61) which calculates, based on a reception signal received by an antenna that transmits and receives radio waves, a shielding length (L2), which is the horizontal length of a region where a transmission signal transmitted from the antenna is shielded by a shielding object (13) above a reference plane; and a vertical height calculating unit (62) which calculates, based on the shielding length and the positional relationship between the shielding object and the antenna, the height (H2) of the shielding object from the reference plane.
A target object detecting device including first and second transmission signal generators, a wave transmitting array, first and second switches, and a controller is disclosed. The first and second transmission signal generators generate first and second transmission signals, respectively. The wave transmitting array has a plurality of wave transmitting elements which convert the first and second transmission signals into transmission waves. The first switch supplies the first transmission signal to one of the wave transmitting elements. The second switch supplies the second transmission signal to one of the wave transmitting elements. The controller performs a control in which the first switch switches the wave transmitting element to which the first transmission signal is supplied, from an element n to an element n+1, and the second switch switches the wave transmitting element to which the second transmission signal is supplied, from an element m to an element m+1.
G01S 7/534 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of non-pulse systems
G01S 15/96 - Sonar systems specially adapted for specific applications for locating fish
G01S 15/04 - Systems determining presence of a target
32.
AUTOMATIC STEERING DEVICE, AUTOMATIC STEERING SYSTEM, AUTOMATIC STEERING METHOD, AND AUTOMATIC STEERING PROGRAM
To control an automatic steering appropriately regardless of a ship speed.
To control an automatic steering appropriately regardless of a ship speed.
An automatic steering device includes processing circuitry. The processing circuitry acquires motion information including a ship length and a ship speed. The processing circuitry identifies a non-dimensionalizing motion parameter based on the ship length and the motion information. The processing circuitry generates a dimensionalizing motion parameter by dimensionalizing the non-dimensionalizing motion parameter based on the ship speed. The processing circuitry sets a control parameter of the model-based controller based on the dimensionalizing motion parameter.
An automatic steering device includes an acquirer, and processing circuitry. The acquirer acquires a traveling state including a heading or a position of a ship, and ship information on the ship. The processing circuitry calculates a first evaluation value that is an evaluation value indicative of a performance for maintaining the heading of the ship or a route based on the traveling state. The processing circuitry calculates a second evaluation value that is an evaluation value related to a ship handling control based on the ship information. The processing circuitry sets a control parameter related to a motion control of the ship based on the first evaluation value or the second evaluation value.
The present disclosure provides a ship monitoring system capable of improving legibility of an OZT. The ship monitoring system includes a first data generator, a second data generator, and processing circuitry. The first data generator generates first ship data indicative of a position and a velocity of a first ship. The second data generator generates second ship data indicative of a position and a velocity of a second ship. The processing circuitry calculates a risk value indicative of a risk of a collision between the first ship and the second ship based on the first ship data and the second ship data, for each point on an estimated course of the second ship, when the first ship is assumed to change a course and reach the point. The processing circuitry specifies a range where two or more continuous points have the risk values above a threshold. The processing circuitry displays a risk range including the range where the two or more continuous points have the risk values above the threshold.
The present disclosure provides a ship monitoring system which makes it easy for a user to grasp a change in a risk situation. The ship monitoring system includes a first data generator, a second data generator, processing circuitry, and an alarm sounding part. The first data generator generates first ship data indicative of a position and a velocity of a first ship. The second data generator generates second ship data indicative of a position and a velocity of a second ship. The processing circuitry calculates a risk value indicative of a risk of a collision between the first ship and the second ship based on the first ship data and the second ship data. The processing circuitry generates a discontinuous sound pattern with an interval according to the risk value. The alarm sounding part sounds an alarm according to the discontinuous sound pattern.
A ship monitoring system has a first data generator that generates first ship data indicative of a position and a velocity of a first ship. The second data generator generates second ship data indicative of a position and a velocity of a second ship. The processing circuitry specifies a risk range where a ship area occupied by the first ship or a watch area set around the first ship overlaps with a ship area occupied by the second ship or a watch area set around the second ship, among an estimated course of the second ship, based on a position of the first ship and a position of the second ship at each timing, that are estimated from the first ship data and the second ship data, when assuming that the first ship changes a course to an arbitrary direction and crosses the estimated course of the second ship.
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
B63B 49/00 - Arrangements of nautical instruments or navigational aids
37.
SHIP STATE ESTIMATION DEVICE, SHIP STATE ESTIMATION SYSTEM, SHIP STATE ESTIMATION METHOD, AND SHIP STATE ESTIMATION PROGRAM
A ship state including a rudder angle is estimated with high accuracy. A ship state estimator device is equipped with processing circuitry. The processing circuitry acquires an direction signal indicating an direction of a ship. The processing circuitry inputs the direction signal into a ship state estimator that outputs a ship state including a rudder angle, and estimates the ship state including the rudder angle.
The present disclosure provides a ship monitoring system capable of visualizing a risk of a collision or an approach in a width direction perpendicular to a heading of another ship. The ship monitoring system includes a first data generator, a second data generator, and processing circuitry. The first data generator generates first ship data indicative of a position and a velocity of a first ship. The second data generator generates second ship data indicative of a position and a velocity of a second ship. The processing circuitry specifies a risk range where a risk value indicative of a risk of a collision between the first ship and the second ship is above a threshold among an estimated course of the second ship, based on a position of the first ship and a position of the second ship at each timing, that are estimated from the first ship data and the second ship data, when assuming that the first ship changes a course to an arbitrary direction and crosses the estimated course of the second ship. The processing circuitry further display a polygonal OZT (Obstacle Zone by Target) having vertexes at least comprised of a rear end and a front end of the risk range, and a representative point of the first ship located at a position corresponding to the rear end of the risk range.
The present disclosure provides a ship monitoring system capable of appropriately evaluating risks of collisions for a plurality of other ships which constitute a convoy. The ship monitoring system includes a first data generator, a second data generator, and processing circuitry. The first data generator generates first ship data indicative of a position and a velocity of a first ship. The second data generator generates a plurality of second ship data indicative of positions and velocities of a plurality of second ships. The processing circuitry calculates a risk value indicative of a risk of a collision between the first ship and each of the plurality of second ships based on the first ship data and the plurality of second ship data. The processing circuitry determines whether the plurality of second ships are a convoy based on the plurality of second ship data. The processing circuitry selects a representative value from the risk values calculated for the plurality of second ships determined to be the convoy.
B63B 49/00 - Arrangements of nautical instruments or navigational aids
B63B 79/10 - Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
G01S 13/58 - Velocity or trajectory determination systems; Sense-of-movement determination systems
G01S 13/937 - Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of marine craft
40.
POSITIONING DEVICE, POSITIONING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM
This positioning device comprises a delay correction amount setting unit and a pseudo-distance calculation unit. The delay correction amount setting unit sets a delay correction amount for an amount of delay from an antenna to a positioning device that occurs in a positioning signal being tracked. The pseudo-distance calculation unit calculates a pseudo-distance using a tracking result and the delay correction amount.
G01S 19/23 - Testing, monitoring, correcting or calibrating of a receiver element
G01S 19/07 - Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections
41.
DRAFT INFORMATION GENERATION DEVICE AND DRAFT INFORMATION GENERATION METHOD
The purpose of this disclosure is to easily calculate draft information with a simple configuration. The draft information generation device (10) comprises multiple range-finding sensors (20) and an information processor module (30). The range-finding sensor (20) is mounted on the side of a vessel (80) and measures the distance to water surface (91) using a range-finding signal. The information processor module (30) calculates draft height Hdr using the distance to the water surface (91) and the mold depth Hmd of the vessel (80).
G01C 3/20 - Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument with adaptation to the measurement of the height of an object
B63B 39/12 - Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude for indicating draught or load
B63B 79/10 - Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
42.
SIGNAL PROCESSING DEVICE, RADAR DEVICE, SIGNAL PROCESSING METHOD, AND RECORDING MEDIUM
According to the disclosure, an increase in costs is suppressed and the influence of main bang is reduced. A signal processing device includes a hardware processor programmed to at least: calculate a correction value of strength for each of distances from an antenna based on a received signal including a signal acquired by multiple transmissions and receptions via the antenna; and suppress a level indicated by received data generated based on the received signal for each of the distances by using the correction value for each of the distances.
An amplifier circuit to be used in a sonar is described. The amplifier circuit includes a transducer and a matching circuit. The transducer has an impedance characteristic having a resonance frequency and an anti-resonance frequency higher than the resonance frequency. The matching circuit is connected to the transducer. The impedance characteristic of the transducer connected to the matching circuit has a first resonance frequency and a second resonance frequency higher than the first resonance frequency.
H03F 1/56 - Modifications of input or output impedances, not otherwise provided for
G01S 7/52 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
44.
SHIP NAVIGATION ASSISTANCE DEVICE, SHIP NAVIGATION ASSISTANCE METHOD, AND SHIP NAVIGATION ASSISTANCE PROGRAM
The purpose of the present disclosure is to set the initial information of the anchoring object (target) of a ship with high accuracy. A ship navigation assistance system according to the present disclosure includes a provisional initial information specifier, a measurement sensor and processing circuitry. The provisional initial information specifier may accept a specification of provisional initial information for characteristic information on an object to which a ship anchors or docks (docks to a pier). The measurement sensor may acquire measurement information on an object using a ranging result of an area including the object.
G01C 21/16 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
G01C 21/20 - Instruments for performing navigational calculations
45.
SHIP NAVIGATION ASSISTANCE DEVICE, SHIP NAVIGATION ASSISTANCE METHOD, AND SHIP NAVIGATION ASSISTANCE PROGRAM
The purpose of the present disclosure is to suppress an error which occurs in movement, such as in anchoring a ship. A ship navigation assistance system includes a measurement sensor and a characteristic information updating module. The measurement sensor acquires measurement information on an object using a ranging result of an area including the object that is an anchorage target of a ship. The characteristic information updating module updates characteristic information on the object using initial characteristic information on the object or characteristic information before updating on the object, and the measurement information.
G01C 21/00 - Navigation; Navigational instruments not provided for in groups
G01C 21/16 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
46.
DOPPLER DEVICE, AND DEPRESSION ANGLE ESTIMATION METHOD
A Doppler device including a transducer and processing circuitry is provided. The transducer transmits underwater ultrasonic wave and receives a reflected wave of the ultrasonic wave. The Doppler device generates a first echo signal from the reflected wave in a first direction making a depression angle θ with a receiving surface of the transducer, generates a second echo signal from the reflected wave in a second direction making the depression angle θ with the receiving surface, the second direction being different from the first direction, and generates a third echo signal in a third direction perpendicular to the receiving surface. The processing circuitry further calculates a first Doppler frequency of the first echo signal, a second Doppler frequency of the second echo signal, and a third Doppler frequency of the third echo signal. The processing circuitry further calculates the depression angle θ from the first, second and third Doppler frequencies.
G01S 15/58 - Velocity or trajectory determination systems; Sense-of-movement determination systems
G01K 11/24 - Measuring temperature based on physical or chemical changes not covered by group , , , or using measurement of acoustic effects of the velocity of propagation of sound
A stub tuner includes a first conductor, and a rod-shaped conductor shaft. The first conductor is inserted into a tube axial direction inner side from an opening in a waveguide tube transmitting high frequency waves. The first conductor includes a plate-shaped first shape extending in a direction intersecting a tube axial direction, inside the waveguide tube, and a plate-shaped second shape extending from the outer end in the tube radial direction of the first shape toward the tube axial direction outer side in the tube axial direction. An outer circumferential surface of the second shape is separated from an inner surface of the waveguide tube. An electrical length of the outer circumferential surface in the tube axial direction is ¼ of a wavelength of the high-frequency waves. The conductor shaft is electrically connected to the waveguide tube, supports the first conductor, and extends in the tube axial direction.
To provide a cloud observation system, a method, and a computer-readable recording medium capable of observing clouds at night by a camera. Cloud observation system provides an acquisition unit that acquires a sky image taken by a camera that contain the sky, a threshold determination unit that determines a threshold value based on a plurality of pixel values of a plurality of edges in the sky image and a cloud determination unit that determines a pixel indicating a cloud from a plurality of pixels constituting the sky image based on the threshold value and the plurality of pixel values in the sky image.
G06V 10/44 - Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
49.
LEARNING DATA COLLECTING SYSTEM, METHOD OF COLLECTING LEARNING DATA, AND ESTIMATING DEVICE
The present disclosure provides a learning data collecting system which is easy to collect learning data. The learning data collecting system includes a radar, a communication device, and processing circuitry. The radar receives a reflection wave of a radio wave transmitted around a ship and generates echo data associated with a direction. The communication device receives travel data of an other ship containing position data of the other ship. The processing circuitry extracts, from the echo data, partial echo data of an area corresponding to the position data.
A visibility determination system determines a visibility condition based on an image taken by a camera. The visibility determination system includes: an acquisition part, configured to acquire a first extracted image obtained by extracting an edge of an imaging target in a first image taken by the camera; and a determination part, configured to determine visibility based on the first extracted image and a second extracted image that is obtained by extracting the edge of the imaging target in a second image taken by the camera at a different time from the first image.
LEARNING SYSTEM OF PRECIPITABLE WATER VAPOR ESTIMATION MODEL, PRECIPITABLE WATER VAPOR ESTIMATION SYSTEM, METHOD, AND COMPUTER-READABLE RECORDING MEDIUM
A learning system of a precipitable water vapor estimation model includes a radio wave intensity acquisition part, a precipitable water vapor acquisition part, and a learning part. The radio wave intensity acquisition part acquires radio wave intensities of a plurality of frequencies among radio waves received by a microwave radiometer. The precipitable water vapor acquisition part acquires a precipitable water vapor calculated based on an atmospheric delay of a GNSS signal received by a GNSS receiver. Based on the radio wave intensities of the plurality of frequencies and the precipitable water vapor at a plurality of time points in a particular period, the learning part subjects an estimation model to machine learning such that an input data based on the radio wave intensities of the plurality of frequencies is taken as an input to output the precipitable water vapor.
A track management device for a movable body includes processing circuitry configured to detect a position of the movable body and determine geographic information of a region surrounding the movable body for displaying on a display, and a memory configured to store track information of the movable body, the track information including a path traversed by the movable body towards a predetermined position, and assign a priority tag to the track information associated with a current path of the movable body, when the movable body is located within a predetermined distance from a predetermined position. The processing circuitry is further configured to generate display information for displaying the track information corresponding to the geographic information on the display.
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
B63H 25/04 - Initiating means for steering automatic, e.g. reacting to compass
G06F 12/0868 - Data transfer between cache memory and other subsystems, e.g. storage devices or host systems
To improve prediction accuracy in model predictive control.
To improve prediction accuracy in model predictive control.
The ship control device includes processing circuitry. The processing circuitry estimates an initial search value of a throttle opening by an estimation method based on uncertainty with a distance between a position of the ship and a target position of dynamic positioning, and a true wind velocity as preconditions. The processing circuitry searches an action for moving the ship to the target position by a model predictive control in a search range having the initial search value as an origin, and determines a command throttle opening based on the search result.
G05D 1/02 - Control of position or course in two dimensions
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
B63B 79/15 - Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers for monitoring environmental variables, e.g. wave height or weather data
B63H 21/21 - Control means for engine or transmission, specially adapted for use on marine vessels
58.
NAUTICAL DRIFT MANAGING DEVICE AND NAUTICAL DRIFT MANAGING METHOD
According to the present disclosure, a nautical drift managing device is provided. The nautical drift managing device includes an input circuitry to receive destination position information for a watercraft. Further, the nautical drift managing device includes a sensor circuitry to obtain external force information associated with the watercraft. Furthermore, the nautical drift managing device includes processing circuitry to determine, based on the destination position information and the external force information, a drift line associated with a drifting movement of the watercraft when an engine of the watercraft is stopped or neutral.
B63B 49/00 - Arrangements of nautical instruments or navigational aids
B63B 79/10 - Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
59.
SHIP SPEED CONTROL SYSTEM, SHIP SPEED CONTROL METHOD, AND SHIP SPEED CONTROL PROGRAM
A ship speed control system includes: a ship speed deviation calculation module which calculates a ship speed deviation based on the difference between an actual ship speed and a ship speed target value; and an input gain adjustment module which adjusts a gain input to a throttle control function to a first gain value when the ship speed deviation is not less than a first threshold value, and adjusts the input gain to a second gain value which is larger than the first gain value and smaller than the initial gain value when the ship speed deviation is not less than the first threshold value and not less than the second threshold value.
The present disclosure is to provide a measurement chip, a measuring device, and a measuring method which can accurately estimate an analyte concentration with a simple configuration. A measurement chip may include a propagation layer, an introductory part, a drawn-out part and a reaction part. Through the propagation layer, light may propagate. The introductory part may introduce the light into the propagation layer. The drawn-out part may draw the light from the propagation layer. The reaction part may have, in a surface of the propagation layer where a reactant that reacts to a substance to be detected is formed, an area where a content of the reactant changes monotonously in a perpendicular direction perpendicular to a propagating direction of the light, over a given length in the propagating direction.
G01N 21/41 - Refractivity; Phase-affecting properties, e.g. optical path length
G01N 21/27 - Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection
G01N 21/77 - Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
A predicted course display device for a movable body includes an interface module to receive a planned route of the movable body, a position measurement module to detect a current position of the movable body, a geographical information selection module to determine geographic information of a region surrounding the movable body that is to be displayed on a display screen, a tidal current information reception module to receive tidal current information of the region surrounding the movable body, a course prediction module to predict a course of the movable body based on the tidal current information, and a course information generation module to generate display information for showing the planned route and the predicted course corresponding to a specific position on the display screen.
G01C 21/20 - Instruments for performing navigational calculations
B63B 49/00 - Arrangements of nautical instruments or navigational aids
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
B63B 79/10 - Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
The present disclosure provides an analyzer with a reduced adverse effect to photometry accompanying acceleration or deceleration of a cuvette table. An actuator drives a cuvette table where a plurality of cuvettes are disposed annularly so that the cuvette table performs intermittent rotation in which a resting state and a rotating state are repeatedly alternated, and each time the cuvette table rotates intermittently, a row of the plurality of cuvettes is displaced in the annular direction by a given number of cuvettes. In the resting state, a pretreatment part performs pretreatment to a cuvette that stands still at a pretreatment position, and a post treatment part performs post treatment to a cuvette that stands still at a post treatment position. In the rotating state, a photometry part performs photometry to a cuvette that passes through a photometric position. A controller, in the rotating state until the cuvette that stood still at the pretreatment position stands still at the post treatment position after the completion of the pretreatment, controls the actuator so that the cuvette passes through the photometric position at a fixed rotational speed, each time the cuvette passes through the photometric position.
G01N 35/02 - Automatic analysis not limited to methods or materials provided for in any single one of groups ; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
G01N 21/01 - Arrangements or apparatus for facilitating the optical investigation
G01N 21/13 - Moving of cuvettes or solid samples to or from the investigating station
G01N 35/04 - Automatic analysis not limited to methods or materials provided for in any single one of groups ; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations - Details of the conveyor system
63.
Underwater detection apparatus and underwater detection method
An underwater detection apparatus is provided which includes a transmission transducer, a reception transducer, and a motor. The transmission transducer transmits a transmission wave within a given fan-shaped transmission space, the fan-shaped transmission space having a first transmission width in a given first plane and a second transmission width in a second plane perpendicular to the first plane. The reception transducer receives, as a reception wave, a reflection wave of the transmission wave within a given fan-shaped reception space, the fan-shaped reception space having a first reception width in the first plane and a second reception width in the second plane, the second reception width being wider than the second transmission width, and in the second plane, the fan-shaped transmission space being within the fan-shaped reception space. The motor rotates the fan-shaped transmission space and the fan-shaped reception space.
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
G01S 15/96 - Sonar systems specially adapted for specific applications for locating fish
G01S 7/52 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
G10K 11/00 - Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
A waveguide tube connecting member includes a first waveguide tube having a first waveguide path and a flange. The flange has a flange end surface extending from a first opening end of the first waveguide path toward an outer side in a tube radial direction, and a second flange outer peripheral surface which is a part of a first flange outer peripheral surface. The second flange outer peripheral surface is a surface formed in a shape in which a part of the flange has a cavity. An electric length from the first opening end of the flange end surface to the second flange outer peripheral surface along the tube radial direction is (2×N+1)/4 times a wavelength.
A navigation information device is provided with a position acquisition unit for acquiring a position information of its own ship, a memory for storing display settings corresponding to a waypoint that is a via point on a planned route, and a display processing unit for performing generation processing for generating a screen in which the position information is superimposed on a chart, and performing change processing for changing display settings to display settings corresponding to the waypoint based on a positional relationship between the position information and the waypoint.
A data processing apparatus is provided, which includes processing circuitry. The processing circuitry is configured to acquire a data set from target detected by a detection apparatus, perform rendering of the data set, and generate a plurality of views arranged on a screen. Each view of the plurality of views includes a plurality of pixels. Each pixel included in the plurality of views is associated with a plurality of pieces of information including a first information displayed on the screen and a second information that indicates a view among the plurality of views to which the pixel belongs.
G06F 3/0484 - Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
G06F 3/04883 - Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
A navigation planning method and apparatus comprising a chart data receiving terminal configured to receive a chart data including position information of one or a plurality of targets; a waypoint receiving terminal configured to receive a plurality of waypoints including a latest waypoint for a navigation route of a movable body; a potential waypoint receiving terminal configured to receive a potential waypoint being movable on the chart; and processing circuitry configured to: determine a position of the potential waypoint as a next waypoint following the latest waypoint, the potential waypoint being movable, wherein the potential waypoint is determined by: receive a current position data of the potential waypoint; receive position information of the plurality of targets located within a predetermined distance from the current position of the potential waypoint; calculate an angle between a first bar and a second bar on the chart, wherein the first bar is to connect the latest waypoint with the potential waypoint and the second bar is to connect the potential waypoint with the plurality of targets; and output an activating signal when the calculated angle is equal to a predetermined value.
A route planning apparatus is provided for planning a navigation route of a ship. The route planning apparatus includes a display to display a chart on a screen; and an operation interface configured to designate a position in the screen. In addition, the route planning apparatus includes a storage configured to store one or more potential base points that may be a potential base point of a waypoint; a processing circuitry configured to: set a waypoint on the chart in response to a navigator's operation; extract the base points within a predetermined range of the set waypoint as a reference from the storage; and a determine the extracted potential base point to be the base point of the set waypoint.
A nautical chart processing device is provided. The nautical chart processing device includes processing circuitry. The processing circuitry is configured to receive position information indicating position of a pair of base points on an electronic chart, set a movable measurement point on a straight line connecting the pair of base points in real time, calculate, on the electronic chart, a distance between the movable measurement point and at least one base point of the pair of base points, and output position information of the movable measurement point and the calculated distance.
G01C 21/20 - Instruments for performing navigational calculations
G06F 3/0488 - Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
B63B 49/00 - Arrangements of nautical instruments or navigational aids
A tidal current information display device for a movable body includes a position measurement module to detect a position of the movable body, a geographical information selection module to determine geographic information to be displayed on a display screen based on the detected position, a tidal current information receiving module to receive and store tidal current information based on the detected position, a tidal current information display module to generate display data for displaying a first graphical user interface (GUI) for displaying the tidal current information corresponding to a predetermined position on the geographic information displayed on the display screen, and a voyage time calculation module to calculate an estimated time for the movable body to reach the predetermined position. The first GUI is configured for showing at least one of: the estimated time and a direction and speed of a tidal current at the estimated time.
G01C 13/00 - Surveying specially adapted to open water, e.g. sea, lake, river or canal
B63B 49/00 - Arrangements of nautical instruments or navigational aids
G06F 3/0481 - Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
H04N 5/272 - Means for inserting a foreground image in a background image, i.e. inlay, outlay
A route editing assistance device for editing a first route is provided. The route editing assistance device includes an input interface, and processing circuitry. The input interface is configured to accept position information indicating positions of a first set of waypoints representing the first route. The processing circuitry is configured to accept position information indicating positions of a second set of waypoints, wherein the second set of waypoints defines a second route, and generate display data for simultaneously displaying the first route and the second route on a display.
G01C 21/20 - Instruments for performing navigational calculations
G01C 21/00 - Navigation; Navigational instruments not provided for in groups
G06F 3/0484 - Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
A tidal information display device for a movable body includes a position measurement module configured to detect a position of the movable body, a geographical information selection module configured to determine geographic information to be displayed on a display screen based on the detected position, a tidal information module configured to receive and store tidal information based on the detected position, and a tidal information display module configured to generate display data for displaying a graphical user interface (GUI) at a predetermined position on the display screen. The GUI is configured for showing the tidal information including at least one of: a present height of a tide, a high tide time, a low tide time, and a position of the tide.
B63B 79/15 - Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers for monitoring environmental variables, e.g. wave height or weather data
B63B 49/00 - Arrangements of nautical instruments or navigational aids
G06F 3/04817 - Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance using icons
G06F 3/04842 - Selection of displayed objects or displayed text elements
G06F 3/04847 - Interaction techniques to control parameter settings, e.g. interaction with sliders or dials
73.
SHIP MANEUVER SUPPORTING DEVICE AND SHIP MANEUVER SUPPORTING METHOD
A ship maneuver supporting device capable of displaying a collision risk zone which matches navigation feel of a ship operator with reduced calculation load, is provided. The ship maneuver supporting device 1 includes processing circuitry (11, 21, 31, 41). The processing circuitry calculates a collision risk value for determining whether a collision risk zone that is a zone where a possibility of a collision between a first ship and a second ship will occur in the future is high is to be displayed, based on a separating distance between the position of the second ship estimated at a plurality of future time points and the position of the first ship estimated corresponding thereto, in consideration of a physical size of at least one of the first ship and the second ship. Further, the processing circuitry generate display data for displaying the collision risk zone at the estimated position of the second ship, based on the determination using the collision risk value.
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
G01C 21/20 - Instruments for performing navigational calculations
B63B 49/00 - Arrangements of nautical instruments or navigational aids
Provided is a chart display device for partially confirming a chart. In an example, the chart display device includes a display configured to display the chart on a screen, and detect a touched position of the screen. The chart display device includes processing circuitry configured to determine whether an operation auxiliary tool having detected elements to be detected based on the touched position is placed on the screen, specify a corresponding area corresponding to the operation auxiliary tool in the chart based on the position of the detected elements, and receive an operation for the corresponding area in the chart.
G06F 3/04845 - Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
G06F 3/04883 - Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
An image generating device for a radar includes a receiving module configured to receive a radar signal from an antenna and process the radar signal to generate an echo, an edge image generator configured to generate an edge echo image based on the echo acquired at a first time instance, a projected image generator configured to generate a projected echo image based on the echo acquired at a second time instance, and a superimposition generator configured to superimpose the edge echo image on the projected echo image based on the first and second time instances, to generate a superimposed echo image.
This water vapor observation device comprises an antenna, an RF amplifier, and processing circuitry. The antenna receives radio waves radiated from an atmosphere including water vapor. The RF amplifier amplifies the received radio waves and generates an observation signal. The processing circuitry is programmed to at least: use the observation signal to select a plurality of observation frequencies excluding an accuracy degraded frequency; and calculate a water vapor index using the spectral intensities of the plurality of observation frequencies. This configuration makes it possible to accurately observe a water vapor amount.
G01N 22/00 - Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
G01W 1/02 - Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
77.
ROUTE PLANNING DEVICE, ROUTE PLANNING METHOD, AND PROGRAM
A route planning device is provided with a display configured to display a chart on a screen, an operation interface configured to specify a position on the screen, a storage configured to store navigation publication related to a book referred to during past route planning in association with the position, a waypoint setting module configured to set a waypoint on the chart in response to a user's operation received by the operation interface, a navigation publication acquisition module configured to acquire navigation publication within a range of the set waypoint as a reference from the storage, and a display control module configured to display the acquired navigation publication on the screen of the display.
The present disclosure improves an antenna characteristic related to high-frequency radio waves. An antenna device includes a first line antenna which includes a straight first feeder line, and a plurality of first antenna elements, each connected at an end to the first feeder line and extending perpendicularly from the first feeder line, and a second line antenna which includes a second feeder line and a plurality of second antenna elements that are line symmetry from the first line antenna with respect to an imaginary line parallel to the first feeder line as an axis of symmetry.
An augmented reality based tidal current display device for superimposing tidal current information on an image displayed on a display screen includes an image information terminal configured to receive the image captured by an image sensor, and output image data for displaying on the display screen; an image sensor information terminal configured to receive and store image sensor information of the image sensor; a tidal current information terminal configured to receive and store tidal current information of the water surface; and processing circuitry configured to: select tidal currents, calculate a corresponding display position and direction of each selected tidal current on the display screen based on the tidal current information and the image sensor information, generate a symbol to indicate the corresponding display position and direction on the display screen, and superimpose the symbol at a respective display position to the corresponding display position on the image.
A tidal current display data generation apparatus for a movable body, for displaying tidal current information on a display screen, includes a tidal current information receiving terminal configured to receive tidal current information including a position of a tidal current on a chart of a region including the movable body, and a plurality of predicted tidal current directions of the tidal current at the position at a corresponding plurality of time instants, and a tidal current display data generation terminal configured to generate an indicator including a time scale determined according to the plurality of time instants, determine position of each predicted tidal current direction on the time scale at respective time instant, generate a plurality of symbols for respective positions on the time scale, each symbol indicating respective predicted tidal current direction at respective time instant, and output the indicator including the plurality of symbols to the display screen.
A target detection device is provided. The target detection device includes a transmission array having a plurality of transmission transducer elements. The target detection device further includes a signal generator. The signal generator generates a plurality of transmission signals. The signal generator further changes a phase of a base signal by a phase shift amount that changes over time for generating each of the plurality of transmission signals. Furthermore, the signal generator provides inputs to each transmission transducer element of the plurality of transmission transducer elements with one of the plurality of transmission signals.
A waveguide connecting structure includes an inserting waveguide having an inserting conduit line and a flange extending outwardly in a conduit radial-direction, and a receiving waveguide having a receiving conduit line, a receiving structure into which the inserting waveguide is inserted, and stub grooves disposed on both sides of the receiving conduit line outwardly in the direction. The receiving structure has a receiving end face extending in the radial direction and opposing to a flange end face, and an annular receiving inner-circumferential surface disposed outward of the flange and extending in a conduit axial-direction. An electric length of each stub groove in the axial direction from an opening first end to a closing second end is ½ of a conduit wavelength of the stub groove.
H04B 10/00 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
G02B 6/42 - Coupling light guides with opto-electronic elements
83.
RADAR SIGNAL PROCESSING DEVICE, RADAR DEVICE, RADAR SIGNAL PROCESSING METHOD AND NON-TRANSITORY COMPUTER-READABLE MEDIUM
A radar signal processing device is provided. The radar device may include processing circuitry. The processing circuitry is configured to generate a processing signal based on a beat signal of a transmission signal and a reception signal, and generate a plurality of extracted beat signals by applying a plurality of window functions on the processing signal, and convert the plurality of extracted beat signals to amplitude data indicating a relationship between a distance and an amplitude, and integrate a plurality of the amplitude data into integrated data.
G01S 13/32 - Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
A radar signal processing device includes: a processing circuitry configured to generate a processing signal based on a beat signal obtained from a transmitted signal and a received signal, generate a smoothed signal by filtering the processing signal using a smoothing filter in a time domain; and detect an interference signal included in the beat signal based on the processing signal and the smoothed signal.
G01S 7/02 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
G01S 7/35 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of non-pulse systems
G01S 13/34 - Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
85.
ATTITUDE MEASURING DEVICE, ATTITUDE MEASURING METHOD AND ATTITUDE MEASUREMENT PROGRAM
The present disclosure measures an attitude even when an antenna cannot receive a positioning signal a receiver cannot acquire positioning information from the signal. An attitude measuring device includes: antennas, receivers, and processing circuitry. The antennas receive positioning signals and output reception signals, respectively. There are four or more antennas. The receivers are provided for the respective antennas and output positioning data containing a carrier phase based on the reception signals. The processing circuitry calculates the position of each antenna using the relevant positioning data, estimates a reception state of the positioning data based on the calculated position, and selects between a first attitude calculation mode using four or more positioning data with a good reception state and a second attitude calculation mode using three or less positioning data with the good reception state. The processing circuitry calculates an attitude using the selected attitude calculation mode.
The solid-state radar device includes: a transmission/reception unit configured to transmitting and receiving radio wave signals comprising a modulated signal and a non-modulated signal, which are pulse signals whose frequencies are different from each other; a frequency filter unit configured respectively to extract the modulated signal and the non-modulated signal from the received radio wave signals based on the frequencies; a pulse compression unit generating a pulse-compressed signal by pulse-compressing the modulated signal; a first echo image generation unit configured to generate a first echo image based on the non-modulated signal and the pulse-compressed signal; a wave analysis unit configured to analyze ocean wave information based on one of the non-modulated signal and the pulse-compressed signal; and a display signal generation unit configured to generate a display signal comprising the first echo image and/or the ocean wave information.
G01S 13/28 - Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses
G01S 7/41 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group using analysis of echo signal for target characterisation; Target signature; Target cross-section
A ship information displaying system can easily grasp the size of a ship intuitively. The system includes a position detector that detects a position of a ship and generates positional data, a direction detector that detects a heading of the ship and generates directional data, a memory that stores size data indicative of a flat dimension of the ship on the basis of a detected location of the positional data in the ship, processing circuitry that places a ship object indicative of the ship at a position in a virtual three-dimensional space corresponding to the positional data, with an orientation corresponding to the directional data and a size corresponding to the size data and that generates an image containing the ship object by rendering a scene based on a viewpoint position and a line-of-sight direction set in the virtual three-dimensional space, and a display that displays the image.
B63B 49/00 - Arrangements of nautical instruments or navigational aids
B63B 79/20 - Monitoring properties or operating parameters of vessels in operation using models or simulation, e.g. statistical models or stochastic models
A navigation planning device configured to receive a navigation start point, a navigation destination point for a navigation route of at least one of a vessel or an aircraft, and a plurality of waypoints between the navigation start point and the navigation destination point, where the plurality of waypoints may be received in at least one of random order or in sequential order. The navigation planning device is configured to determine a positional relationship between the plurality of waypoints, and determine at least one indicator data corresponding to at least one waypoint data of the plurality of waypoints, based on the positional relationship between the plurality of waypoints. The navigation planning device is further configured to output the at least one waypoint data and the corresponding at least one indicator data for the navigation route to a display.
G01C 21/36 - Input/output arrangements for on-board computers
G06F 3/0488 - Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
An apparatus for nautical tracking, where the apparatus detects at least one object. The apparatus further determines radar information associated with the at least one object, and calculates a first velocity vector associated with the at least one object. The apparatus further determines information associated with a tidal current of the water body, and calculates a second velocity vector based on the information associated with the tidal current. The apparatus further compares the first velocity vector and the second velocity vector in order to classify an object of the at least one object as a target, and further notifies a user of the target.
The present disclosure provides an image generating device that includes processing circuitry configured to acquire positional information indicative of a position of a water-surface movable body where an imaging device is to be installed, acquire posture information indicative of a posture of the water-surface movable body, acquire additional display information including information indicative of positions of a plurality of locations, generate three-dimensional display data for displaying a graphic indicative of the additional display information by superimposedly placing the graphic on a water surface portion of an image outputted from the imaging device based on the positional information, the posture information, and the positions of the plurality of locations included in the additional display information, and output the graphic rendering the three-dimensional display data.
The present disclosure provides a target object detection device. The target object detection device includes a first transmission signal generator, a first transmission array, a first switch, and a controller. The first transmission signal generator is configured to generate a first transmission signal. The first transmission array includes a plurality of first transmission elements configured to convert the first transmission signal into a transmission wave. The first switch is configured to supply the first transmission signal to one of the first transmission elements in the first transmission array. The controller is configured to control the first switch to switch the first transmission element to which the first transmission signal is supplied from a first element to a second element at a first timing.
An imaging processing device includes an image acquisition module configured to acquire an image obtained by photographing the sky with a camera having a known orientation or slant; a time stamp acquisition module configured to acquire a photographing date and time of the image; a photographing position acquisition module configured to acquire position information of a photographing position of the image; a sun position determination module configured to determine a photographed sun position in the image; a reference sun position acquisition module configured to calculate a reference sun position indicating a sun position determined based on the photographing date and time and the position information; and a camera information identification module configured to determine any one of unknown orientation and slant of the camera based on any one of the known orientation and slant of the camera, the photographed sun position, and the reference sun position.
An observation signal generation device includes a local signal generator, a first mixer which mixes an RF signal to be observed with the local signal and outputs a first IF signal, a second mixer which mixes the RF signal and the local signal and outputs a second IF signal, an first IF filter which includes a first intermediate frequency obtained by subtracting a frequency of the local signal from a first frequency of the RF signal in a passband, includes a second intermediate frequency obtained by subtracting a frequency of the RF signal from the frequency of the local signal in an attenuation band, and filters the first IF signal to generate a first observation signal, and an second IF filter includes the first intermediate frequency in the attenuation band and the second intermediate frequency in the passband, and filters the second IF signal to generate a second observation signal.
An observation device includes a mixer, a detector, a variable attenuator, a calibration information setting module, and an observation data generating module. The mixer mixes an RF signal of an observation object with a local signal to generate an IF signal. The detector detects the IF signal to generate a detection signal. The variable attenuator is connected between the mixer and the detector to attenuate the IF signal. The calibration information setting module sets calibration information from a change of intensity of the detection signal according to a value of the variable attenuator. The observation data generator generates observation data of the RF signal by using the intensity of the detection signal obtained in a state where the value of the variable attenuator is fixed and the calibration information.
G01N 22/00 - Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
A water vapor observation device includes a water vapor index acquisition module which acquires a water vapor index calculated based on radio wave intensities of at least two frequencies out of radio waves received by a microwave radiometer, a global navigation satellite system (GNSS) precipitable water vapor acquisition module which acquires a GNSS precipitable water amount calculated based on an atmospheric delay of a GNSS signal received by a GNSS receiver, a correlation data generation module which generates correlation data between the water vapor index and the GNSS precipitable water amount based on the water vapor index and the GNSS precipitable water amount at a plurality of time points during a predetermined period, and a precipitable water vapor calculation module which calculates a precipitable water amount based on the correlation data from the water vapor index obtained based on the microwave radiometer.
To provide a cloud observation device capable of reducing calculation cost and predicting sunshine probability by a simple method. A cloud observation device includes an image acquisition module which acquires an image in which a camera photographs the sky, a cloud extraction module which extracts clouds in the image, a sun position determination module which determines a sun position in the image, a sunshine probability calculation area setting module which sets a sunshine probability calculation area having the sun position as a base point in the image, and a sunshine probability calculation module which calculates a sunshine probability after a predetermined time has elapsed based on the sunshine probability calculation area and the extracted clouds.
G01W 1/02 - Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
97.
SHIP TARGET OBJECT DETECTION SYSTEM, METHOD OF DETECTING SHIP TARGET OBJECT AND RELIABILITY ESTIMATING DEVICE
A ship target object detection system includes a plurality of candidate data generating parts and processing circuitry. The plurality of candidate data generating parts, each generates target object candidate data including position data of a target object candidate existing around a ship. The processing circuitry selects a plurality of target object candidate data indicative of the same target object candidates based on the position data from the generated target object candidate data. The processing circuitry calculates an existence reliability of the same target object candidates based on attributes of the plurality of candidate data generating parts that generated the plurality of selected target object candidate data.
G01C 21/20 - Instruments for performing navigational calculations
G01S 13/937 - Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of marine craft
G01S 13/56 - Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
G01S 13/38 - Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal wherein more than one modulation frequency is used
G01S 7/41 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group using analysis of echo signal for target characterisation; Target signature; Target cross-section
98.
DEVICE AND METHOD FOR CALCULATING MOVEMENT INFORMATION
Movement information is calculated with high accuracy, without being influenced by the number of GNSS signals receivable by each of a plurality of antennas. A movement information calculating device includes a plurality of antennas, a clock generator, a plurality of GNSS receivers, and an arithmetic logical unit. The plurality of antennas, each receives a GNSS signal. The clock generator generates a clock signal. The plurality of GNSS receivers are connected to the respective antennas, and share the clock signal from the clock generator and calculate GNSS observed values by using the shared clock signal and the GNSS signals, respectively. The arithmetic logical unit calculates movement information including a speed of a movable body based on the GNSS observed values from the plurality of GNSS receivers.
G01S 19/35 - Constructional details or hardware or software details of the signal processing chain
G01S 19/47 - Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being an inertial measurement, e.g. tightly coupled inertial
99.
Device, method and program for generating traveling route
A traveling route generating device is provided, which may include a user interface and processing circuitry. The user interface may receive a home route that is a route on which a ship travels upon departing from a home harbor or upon returning to the home harbor, the home harbor being a location from which the ship departs. The processing circuitry may generate a traveling route between one of a destination of the ship and a current location of the ship, and a location on the home route.
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
B63B 49/00 - Arrangements of nautical instruments or navigational aids
G01C 21/20 - Instruments for performing navigational calculations
A microwave radiometer includes an electromagnetic wave transmission surface, a vertically upward horn configured to receive an electromagnetic wave passing through the electromagnetic wave transmission surface and processing circuitry configured to generate water vapor spectrum data relating to water vapor based on the electromagnetic wave received by the horn, generate cloud liquid water data relating to cloud liquid water based on the electromagnetic wave received by the horn, and calculate a water vapor amount by using the water vapor spectrum data and the cloud liquid water data.
G01N 22/00 - Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more