| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 342107000 |
Combined with determining distance and direction
| 68 |
| 342109000 |
Combined with determining distance
| 58 |
| 342113000 |
Combined with determining direction (i.e., bearing)
| 18 |
| 342105000 |
Other than doppler (e.g., range rate) | 5 |
| 20090309782 | RADAR DEVICE AND PROCESSING METHOD THEREFOR - According to a conventional method of correlating beat frequencies in a radar device, a detecting state of a target differs at the time of up-chirping and at that of down-chirping, so that, when the number of peaks of beat frequencies does not match with each other, there occurs a situation in which the beat frequencies cannot be accurately correlated. | 12-17-2009 |
| 20110102242 | RADAR APPARATUS - The present invention includes a transmitter/receiver | 05-05-2011 |
| 20140327565 | PROCESS FOR THE DETERMINATION OF A POSITION CHANGE OR RESPECTIVELY RESTING AND/OR SPEED OF AN OBJECT - The present invention relates to a process for determining a position change or the resting and/or a speed of an object and a corresponding process for supporting an inertial measurement system. In the process at least one radio signal (FS) is received on the object (O) at at least one first and one second point in time, particularly continuously, and the change of the phase of said radio signal is determined for a determination of a relative movement between source (U) of said signal or a reference location and said object (O), and the relative movement between source (U) of said signal or the reference location and said object (O) is detected. | 11-06-2014 |
| 20160103213 | Three Dimensional (3D) Tracking of Objects in a Radar System - A method for tracking objects in three dimensions in a radar system is provided that includes receiving spherical coordinates of an estimated location of each object of a plurality of detected objects, a range rate of each object, and variances for the spherical coordinates and the range rate of each object, determining whether or not each object is currently being tracked, updating a tracking vector for an object based on the object spherical coordinates, range rate, and variances when the object is currently being tracked, and initializing a tracking vector for an object when the object is not currently being tracked, wherein a tracking vector for an object is a process state vector for an extended Kalman filter designed to track an object, elements of the tracking vector including Cartesian coordinates of the object location, the object velocity in three directions, and the object acceleration in three directions. | 04-14-2016 |
| 20220137203 | TRAJECTORY IDENTIFICATION APPARATUS, METHOD, AND NON-TRANSITORY TANGIBLE MACHINE-READABLE MEDIUM THEREOF - A trajectory identification apparatus, method, and computer program product thereof are provided. The apparatus converts the object positions into a two-dimensional space to generate and sequence a plurality of object coordinates, calculates a distance of adjacent object coordinates to generate a trajectory-time image. The apparatus calculates a sum-distance, and calculates an initial speed based on a first distance and the sum-distance to generate a trajectory-speed image. The apparatus separates the trajectory-time image into a first channelizing datum, separates trajectory-speed image into a second channelizing datum, and overlaps the first channelizing datum and the second channelizing datum to generate a to-be detected channelizing datum. The apparatus inputs the to-be detected channelizing datum into an identification model to generate a prospective channelizing datum, compares the degree of difference between the to-be detected channelizing datum and the prospective channelizing datum to generate a trajectory identification result. | 05-05-2022 |
| 342106000 |
Combined with determining acceleration | 5 |
| 20090085793 | Method and system for predicting air-to-surface target missile - A method and system for predicting a trajectory of an air-to-surface target missile is provided, including detecting a plurality of echo wave signals from the target missile through a plurality of sensors deployed at various locations relative to the target missile, extracting at least one range distance and at least one radial velocity, respectively, from the detected echo wave signals from the sensors by using a hybrid FSK/LFM unit, using a two-stage Kalman filter to filter the computed range distance and radial velocity to obtain a relative distance, a relative velocity and a relative acceleration, respectively, of the target missile, and finally applying trilateration on the relative distance, relative velocity and relative acceleration of the target missile from each two-stage Kalman filter to obtain a location, velocity and acceleration along the x, y, z directions. | 04-02-2009 |
| 20100026556 | Method for Determining the Kinematic State of an Object, by Evaluating Sensor Measured Values - In a method for determining the kinematic state of an object by evaluating a sequence of discrete polar measured values of a sensor, the polar measurements r | 02-04-2010 |
| 20120229326 | METHOD FOR DETERMINING THE NAVIGATION SPEED OF A CARRIER AND HYBRIDIZATION DEVICE - The invention relates to a method for determining the navigation speed of a carrier using a hybridization device ( | 09-13-2012 |
| 20140266860 | Method and system for activity detection and classification - A method for distinguishing a target, wherein the target includes one or more objects of interest possibly located among a plurality of objects. The method comprises the following stages: obtaining and processing sonar or radar raw data; tracking the objects of the plurality using the processed raw data; grouping the tracked objects by associating them into one or more groups, while hierarchically arranging the tracked objects in the groups and controllably applying prior knowledge at least about characteristic features and/or constraints of the target's class; classifying the groups to classes and determining whether any of the groups matches to the target's class. | 09-18-2014 |
| 20160018513 | RADAR APPARATUS - A radar apparatus is provided, which can enhance resolution by data processing. The radar apparatus includes a radar wave transmitter, a radar wave receiver, and an analyzing module. The analyzing module analyzes data received by the radar wave receiver, stores amplitude data and speed data of a target object for every cell in a predetermined coordinate system, and processes, based on the data, the amplitude data of an observing cell in the predetermined coordinate system associated with speed. The analyzing module determines whether an absolute value of a speed difference between adjacent cells and adjacent to the observing cell while the observing cell is located therebetween, is a threshold or higher, and the analyzing module performs processing of reducing the amplitude of the observing cell if the absolute value is the threshold or higher. | 01-21-2016 |
| 342115000 |
Digital | 4 |
| 20090278728 | Doppler Radar Cardiopulmonary Sensor and Signal Processing System and Method for Use Therewith - A Doppler radar signal processing system and method and a Doppler radar employing the system or the method. In one embodiment, the system includes: ( | 11-12-2009 |
| 20110227782 | METHOD FOR DETECTING A VEHICLE TYPE, A VEHICLE SPEED AND WIDTH OF A DETECTING AREA BY A VEHICLE RADAR SENSOR - A method for detecting a vehicle type, a vehicle speed and width of a detecting area by a vehicle radar sensor is disclosed. A radio wave is transmitted to a tracked vehicle. Subsequently, the reflective radio wave from the vehicle is received. The Doppler frequency versus time distribution is generated from the reflective radio wave. Because the reflective radio wave is influenced by the Doppler Effect, a parallelogram or a shape close to a parallelogram of a consecutive motion diagram is shown in the Doppler frequency versus time distribution of the vehicle. According to the consecutive motion diagram, certain information, such as the length and speed of the tracked vehicle and the width of the detecting area, can be acquired. | 09-22-2011 |
| 20150346334 | Millimeter-Wave Dielectric Lens Antenna and Speed Sensor Using Same - A speed sensor which aligns a normal direction of one patch antenna which is disposed on a mounted board, and an optical axis of a dielectric lens uses a frame for inclining a sensor module, in order to obtain a component cos θ in a traveling direction when the speed sensor is installed on a horizontally vertical surface of an automobile or a railway car. When beams are condensed by using the one patch antenna and the cannonball-shaped dielectric lens, the dielectric lens is inclined and a bottom surface portion of the lens is cut with a plane parallel with a surface of the antenna-mounted board. The one patch antenna is configured by one patch and a GND electrode and the gain center of radiation characteristics is a normal direction of the antenna board. However, the radiation characteristics have a substantially hemisphere surface wave shape. | 12-03-2015 |
| 20190146079 | Methods,Systems and Devices to Augur Imminent Catastrophic Events to Personnel and Assets and Sound Image a Radar Target Using a Radar's Received Doppler Audio Butterfly | 05-16-2019 |
| 342114000 |
Combined with determining sense of motion (i.e., approaching or receding) | 2 |
| 20110273323 | ELECTRICALLY SELF-CONTAINED RADAR DEVICE - The invention relates to a radar device having a housing that includes: a microwave motion detection module ( | 11-10-2011 |
| 20130194129 | IMAGE PROCESSING DEVICE, RADAR APPARATUS EQUIPPED WITH THE SAME, METHOD OF PROCESSING IMAGE, AND IMAGE PROCESSING PROGRAM - This disclosure provides an image processing device, which includes a relative trail image memory for storing a relative trail data group indicating relative changes in position of a target object detected by echo signals obtained corresponding to detection signals transmitted while changing a transmitting azimuth direction, with respect to a transmitting position from which the detection signals are transmitted, and an approaching target object determination processing module for determining whether the target object detected with the detection signals is an approaching target object that approaches the transmitting position based on relative trail data existing on the same sweep line among the relative trail data group stored in the relative trail image memory. | 08-01-2013 |
| 342116000 |
With plural received frequency band separation | 1 |
| 20150355322 | PASSIVE RADAR DEVICE - A passive radar device includes a band divider | 12-10-2015 |
| Entries |
| Document | Title | Date |
|---|
| 20080211710 | Method for measuring the muzzle velocity of a projectile or the like - It is proposed to use the gun barrel or launcher tube or the muzzle brake as a waveguide, which, however, is operated at a frequency that is below the cutoff frequency of the relevant waveguide mode. The transmit coupler excites the relevant waveguide mode. An oscillator generates the signal, which is then sent to the transmit coupler. The waveguide and the projectile form a system in which the electromagnetic field at the receive coupler is influenced by the position of the projectile. The characteristic change over time of the strength of the electromagnetic field at the location of the receive coupler that results from the change in the distance between the projectile and the receive coupler is measured and used to determine the muzzle velocity. | 09-04-2008 |
| 20080252512 | Method, a Program and a Module to Estimate a Doppler Maximum Frequency and an Oscillator Frequency Offset, Receiver Including the Module - Abstract: A method of estimating a Doppler maximum frequency f | 10-16-2008 |
| 20080258962 | Radar apparatus - A radar apparatus includes a sending unit for sending a transmission wave, a plurality of receiving parts for receiving a reflected wave from a reflecting object in a parallel manner, beat signal generation parts for acquiring beat signals at the receiving parts, respectively, from the transmission wave and the wave received at the receiving parts, a beat signal processing part for individually processing the beat signals of the receiving parts, a DBF processing part for DBF processing a beat signal processing result, and an object detection part for acquiring information on the reflecting object from frequency components of a DBF processing result or the beat signal processing result. Amounts of phase lag of the receiving parts are set to different-values. The beat signal processing part includes a phase correction part that corrects the phase lag amounts corresponding to the individual receiving parts so as to make them equal to one another. | 10-23-2008 |
| 20080278365 | Method of Verifiably Detecting the Speed of a Vehicle - A method of measuring the speed of a vehicle wherein the speed and the distance of the vehicle from a radar system and/or the measuring angle of the vehicle relative to the radar axis is determined by means of a radar measurement so as to characterize or determine the vehicle lane of the vehicle by means of the distance and/or the measuring angle. Knowledge of the vehicle lane makes it possible to unequivocally identify the detected vehicle in a group of vehicles unequivocally. | 11-13-2008 |
| 20080309545 | Speed Measuring Device Including Fresnel Zone Plate Lens Antenna - A speed measuring device that employs a Fresnel zone plate lens antenna. The Fresnel lens antenna is mounted to one end of a low profile collection housing, typically cylindrical in configuration. An opposite end of the collection housing includes a back plate having an opening. A transceiver unit is mounted to the outside surface of the back plate so that a transmitter and a detector within the transceiver are in communication with the opening. A signal is transmitted from the transceiver unit through the opening, and is directed by the lens antenna. A reflected signal is received and focused by the lens antenna, and collected by the housing to be directed through the opening to the transceiver. | 12-18-2008 |
| 20090207069 | METHOD AND SYSTEM FOR DETERMINING VELOCITY BY USING VARIABLE OR DISTINCT SAMPLING RATES - A data processor applies transform processing to a first group of samples at a primary sampling rate, where the first group of samples is within a data window associated with at least one of the data blocks. A detector detects an estimated frequency shift between the transmitted signal and the reflected signal based on a primary peak frequency determined by the transform processing at the primary sampling rate. The data processor applies transform processing to a second group of samples at a secondary sampling rate, where the data window contains previously read samples and at least one new sample, if the estimated frequency shift falls within a target response frequency band. The detector detects an observed frequency shift between the transmitted signal and the reflected signal based on a secondary peak frequency determined by the transform processing at the secondary sampling rate. A velocity estimator for estimating a velocity of at least one of the object and the transmitter based on the estimated frequency shift, the observed frequency shift, or both. | 08-20-2009 |
| 20090224960 | Target Detection Method for Use in Radar and Radar Device Using the Target Detection Method - A radar device includes a transmission antenna and a reception antenna having a plurality of antenna elements. The radar device switches the antenna elements in synchronization with a modulation cycle, thereby obtaining a reception signal. At this time, the radar device obtains the reception signal by switching the antenna elements using a first measurement phase and a second measurement phase having different switching cycles as one set. The radar device calculates an azimuth sine value sin θ | 09-10-2009 |
| 20090262007 | VEHICLE SPEED DETECTION DEVICE WITH WIRELESS COMMUNICATIONS CAPABILITY AND METHODS OF USE - A portable speed detecting device includes wireless communications capabilities. This allows the portable speed detecting device to obtain information from remote sources via a wireless link. It also facilitates the process of issuing and recording tickets. Further, it can provide an operator with the ability to accomplish a financial transaction so that a driver can pay an assessed fine. | 10-22-2009 |
| 20100007545 | Method for Detecting at Least One Moving Object - A method for the detection of at least one moving object in a pre-determined detection zone by way of a speed sensor. The method includes the following steps: determining a detection zone within an illumination region of the speed sensor; detecting a speed signal, particularly a Doppler signal, at least with the entry of a moving object into the illumination region; estimating an entry of the moving object into the detection zone on the basis of a speed of the object, and of a distance between a boundary of the illumination region and the detection zone. | 01-14-2010 |
| 20100019950 | ELECTRONICALLY SCANNED RADAR SYSTEM - A sampled beat signal RD is split into a plurality of short-time data SD in the time direction, for each of antenna elements. Interference component frequency of an interference wave is detected from a frequency spectrum of the short-time data SD. A digital beam forming process is performed for the interference component frequency of the interference wave to extract a peak of the electrical power of an azimuth direction and estimate an absolute value of an incoming direction of interference components. Based on the absolute value of the incoming direction of the estimated interference components, a filter for suppressing the interference components is operated to suppress the interference components. | 01-28-2010 |
| 20100245155 | High-Frequency Transmission Line Connection Structure, Circuit Board, High-Frequency Module, and Radar Apparatus - The invention relates to a high-frequency transmission line connection structure, a circuit board having the connection structure, a high-frequency module having the circuit board, and a radar apparatus. A first laminated waveguide sub-line part ( | 09-30-2010 |
| 20100309040 | METHOD AND SYSTEM FOR DYNAMIC RANGE DETECTION AND POSITIONING UTILIZING LEAKY WAVE ANTENNAS - Methods and systems for dynamic range detection and positioning utilizing leaky wave antennas (LWAs) are disclosed and may include configuring one or more LWAs to enable communication of signals in a particular direction. RF signals that are reflected from an object may be received via the LWAs, and a location of the object may be determined based on the received reflected RF signals. The velocity of the object may be determined based on a Doppler shift associated with the received reflected RF signals. A frequency chirped signal may be transmitted by the LWAs to determine a location of the object. A resonant frequency of the LWAs may be configured utilizing micro-electro-mechanical systems (MEMS) deflection. LWAs may be situated along a plurality of axes in the wireless device. The LWAs may include microstrip or coplanar waveguides, where a cavity height is dependent on spacing between conductive lines in the waveguides. | 12-09-2010 |
| 20110025550 | High-Frequency Module and Method of Manufacturing the Same, and Transmitter, Receiver, Transceiver, and Radar Apparatus Comprising the High-Frequency Module - A high-frequency module according to the present embodiment includes a substrate, a circuit board, and a resonator. The substrate has an input-output portion for high-frequency signals formed on one surface thereof. The circuit board includes a dielectric waveguide line with its end face exposed, and is placed on the one surface of the substrate such that a virtual plane extending beyond the end face is intersected by the one surface of the substrate. The resonator includes input-output end portions for high-frequency signals at ends thereof, in which one of the input-output end portions is connected to the end face of the dielectric waveguide line, and the other thereof is connected to the input-output portion of the substrate. | 02-03-2011 |
| 20110102241 | Continuous-wave field disturbance sensing system - A field disturbance sensing system has an antenna, an oscillator producing a high-frequency signal, a first detector circuit, a second detector circuit, a combining network configured to couple the high-frequency signal to the antenna, and to couple the high-frequency signal and a reflected high-frequency signal to the first detector and to the second detector. An algebraic combining network sums a first detected signal having first detected high-frequency signal and a first detected reflected signal from the first detector circuit and a second detected signal having second detected high-frequency signal and a second detected reflected signal from the second detector circuit to produce a detected output signal. The first detected reflected signal is added to the second detected reflected signal and the first detected high-frequency signal is subtracted from the second detected high-frequency signal. A controller configured to convert the detected output signal to a speed between the antenna and a target. | 05-05-2011 |
| 20120068882 | Antennas - An active antenna array is arranged to activate subsets of switchable elements causing the antenna to form a first beam having a first beam pattern, and later to form a second beam having a second beam pattern of substantially identical far field radiation pattern to the first beam pattern but with different origins. A receiver receives radiation reflected from a target back to the antenna when the antenna is configured with the first beam pattern and then when configured with the second beam pattern, and compares the phase of the radiation received at the receiver when the antenna is configured with the first beam pattern with the phase of the radiation received at the receiver when the antenna is configured with the second beam pattern to provide a phase difference signal. A target locating means determines the angular location of the target from the phase difference signal. | 03-22-2012 |
| 20120188115 | Using Forward-Look and Side-Look Doppler Radars for Precise Vehicle Association in Automated Traffic Surveillance - This invention is related to an automated traffic surveillance system to monitor traffic comprising of a plural number of Doppler radars, circuitry for processing radar signals, and data recording and displaying devices. Although the system is mainly designed for roadside traffic surveillance, it can be used in different applications, such as mounted on a host vehicle. The system will provide continuous surveillance of all incoming and leaving traffic. | 07-26-2012 |
| 20120326918 | MOTION-BASED ADAPTIVE FREQUENCY ESTIMATION OF A DOPPLER VELOCITY SENSOR - A system and method for motion-based adaptive frequency estimation of a Doppler sensor is provided. The system comprises a Doppler sensor configured to output a digitized Doppler data signal, and a Doppler velocity estimation module operatively coupled to the Doppler sensor to receive the Doppler data signal. An inertial navigation system is operatively coupled to the Doppler velocity estimation module, and one or more inertial sensors is operatively coupled to the inertial navigation system. The inertial sensors are configured to transmit inertial navigation data to the inertial navigation system. The Doppler velocity estimation module calculates a speed or velocity estimate based on the Doppler data signal and the inertial navigation data. The speed or velocity estimate is then transmitted to the inertial navigation system. | 12-27-2012 |
| 20130021194 | SYSTEM FOR THE DETECTION OF INCOMING MUNITIONS - A system for detecting munitions in flight comprises a radar transmitter, receiver, and associated antennas, wherein the antennas are oriented to include ground level coverage, and where a receive antenna is arranged to provide a plurality of receive beams. The system further incorporates a Doppler filter arranged to reject targets that have velocity profiles that do not match those expected of targets of interest. If a target of interest is detected then an indication is provided, preferably in the form of an audible alert, allowing those nearby time to take cover. The system provides a simple munitions detection capability that may operate in CW mode to allow rapid detection, and may also have means such as switchable FMCW, and elevation measurement to allow estimation of possible landing areas of the target. | 01-24-2013 |
| 20130069816 | COMBINATION HAND-HELD PHONE AND RADAR SYSTEM - A hand-held apparatus has a Doppler radar secured within one wall of a phone sleeve. A phone may be placed within the sleeve and in signal communication with the radar via a connector molded in the sleeve. In operation, an RF signal may be directed toward a distant moving target and a bounce signal received. The speed of the target is calculated from the Doppler frequency shift and displayed by the phone to the user. | 03-21-2013 |
| 20130162462 | Method and Arrangement for the Acquisition of Measurement Data of a Vehicle in a Radar Field - Method and arrangement for the acquisition of measurement data of a vehicle ( | 06-27-2013 |
| 20140118184 | RADAR DEVICE AND VELOCITY CALCULATION METHOD - It is an object of the present invention to provide a radar device and a velocity calculation method with which velocity can be calculated more accurately. A radar device | 05-01-2014 |
| 20140191896 | BALL SPIN RATE MEASUREMENT - Spin rate measurement utilizing periodic phase modulation of the radar Doppler signal reflected from a golf ball is described. Some embodiments provide a method to directly measure the ball spin rate caused by the symmetrical structure of the golf ball seam, using the dielectric lens effect of a practical sports ball to magnify the modulating effect of a non-homogeneous feature on the ball, and utilizing the specific pattern of modulation caused in this manner. | 07-10-2014 |
| 20140218227 | Method and Device for Detecting a Rotating Wheel - A method is described for detecting a rotating wheel of a vehicle that is travelling on a roadway in a travel direction, the wheels of which are at least partially exposed laterally, the method comprising: emitting an electromagnetic measurement beam having a known temporal progression of its frequency onto a first section above the roadway in a direction in a slant with respect to the vertical and normally or at a slant with respect to the travel direction; receiving a reflected measurement beam and recording the temporal progression of its frequencies, relative to the known progression, as a reception frequency mixture progression; and detecting a frequency band, which is continuously inclining or declining over a period of time, in the reception frequency mixture progression as a wheel. A device for conducting the method is also described. | 08-07-2014 |
| 20140240167 | METHOD FOR MULTI-MODE OBSTACLE DETECTION USING RADAR, AND APPARATUS FOR SAME - The present invention relates to a method for multi-mode obstacle detection using radar, including the steps of: determining whether an object moves by acquiring radar information on the object; discriminating between a stationary object and a moving object according to whether the object moves; executing a first detecting mode for detecting the stationary object or a second detecting mode for detecting the moving object; and transmitting location information on the stationary object obtained through the first detecting mode, or location and speed information on the moving object obtained through the second detecting mode, to an external terminal. According to the method for multi-mode obstacle detection using radar, and to the apparatus for same, multi-detection modes can be provided to separately detect a stationary object and a moving object using the radar information on the object obtained using radar, thereby increasing location tracking efficiency for each object. | 08-28-2014 |
| 20140300506 | STATISTICAL MOVEMENT ANALYSIS - Statistical movement analysis method that includes defining one or more movement signature types, wherein a movement signature type includes a set of movement parameters and values for the set of movement parameters and receiving data for objects monitored by a radar system at a plurality of times, the data including values acquired for the set of movement parameters. The method also includes discriminating the data for the monitored objects by comparing movement signatures of two or more of the monitored objects for a difference of statistical significance and characterizing the monitored objects based on the movement signatures of the monitored objects. The method also includes identifying one or more of the monitored objects by comparing the received data for a monitored object with the movement signature type to determine if any of the objects monitored by the radar system are moving consistent with the movement signature type. | 10-09-2014 |
| 20140320334 | Speed Measuring Device for Moving Bodies - A speed measuring device has an antenna with directionality that transmits a transmission wave toward the moving body based on a transmission signal supplied from a Doppler sensor, and receives a reflected wave reflected by the moving body to generate and supply to the Doppler sensor a reception signal. An imaginary line extending along a direction in which a gain of the antenna is maximized is defined as an imaginary axis that indicates an orientation direction of the antenna. An antenna supporting unit is provided on a housing and supports the antenna so an inclination of the imaginary axis can be altered. A display is provided on an upper surface of the housing with a flat display surface of a rectangular shape facing upward and displays various display contents including the movement speed of the moving body on the display surface. | 10-30-2014 |
| 20140340253 | IMAGING RADAR SENSOR WITH NARROW ANTENNA LOBE AND WIDE ANGLE DETECTION RANGE - The invention relates to a device for detecting objects within a sweep range, comprising at least two switchable transmitting antennas, a plurality of receiving antennas, the transmitting antennas and receiving antennas respectively extending longitudinally, parallel to one another, in a first direction, and the receiving antennas being arranged in a row and the row extending in a second direction, the receiving antennas and the transmitting antennas being arranged such that they produce a synthetic receiving antenna array for the beam sweep by means of the sequential activation of the transmitting antennas and the positions of the transmitting and receiving antennas, the resulting distance corresponding to the positions of the receiving antennas in the synthetic receiving antenna array in the second direction d, the adjacent receiving antennas in the device being spaced apart by a distance of d | 11-20-2014 |
| 20140354466 | RADAR DEVICE AND METHOD OF ACQUIRING AND TRACKING TARGET - A radar device is provided, which includes an extractor configured to extract a representative point of a target from a radar echo, a representative point memory configured to store the representative points extracted by the extractor, for a plurality of scans, an estimator configured to estimate movement information on the target indicated by the representative points based on the information stored in the representative point memory, a determinator configured to determine a possibility of a collision based on the movement information on the target estimated by the estimator, and an acquisition-and-tracking module configured to acquire and track the target determined to have the possibility of a collision by the determinator. | 12-04-2014 |
| 20150130654 | PULSE SIGNAL SETTING DEVICE, RADAR APPARATUS, METHOD AND PROGRAM OF SETTING PULSE SIGNAL - A radar apparatus using a pulse pair method to quickly measure a relative speed of an object. The radar apparatus includes: A data acquirer that acquires data relating to a pulse width, a repetition frequency, and a highest staggered ratio; A staggered pattern output unit that outputs a specific staggered pattern in which a total of phase changes within a sweep range of the target of the pulse pairing can be approximated to zero, wherein each phase change is caused by the pulse pairing on a target object at a constant speed due to a difference between an average transmission interval and a transmission interval between transmissions within the sweep range; And a setter that sets the transmission interval of a pulse signal by using the pulse width, the repetition frequency, the highest staggered ratio, and the specific staggered pattern. | 05-14-2015 |
| 20160103206 | RADAR DEVICE UTILIZING PHASE SHIFT - A radar device comprises at least one transmitter unit for transmitting a radar signal, at least one receiver unit for receiving a reflected radar signal, and a phase shift unit for producing a phase shift in the frequency modulated radar signal in response to a phase shift signal. The receiver unit comprises at least one filter unit for filtering the received signal and is arranged for resetting the filter unit in response to said phase shift signal, so as to avoid saturation of the filter unit due to the phase shift. | 04-14-2016 |
