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7633430 Terrain awareness system with false alert suppression  
A terrain awareness and warning system includes electronics for receiving radar returns and providing terrain and/or obstacle alerts or warnings in response to the radar returns. The electronics...
7629919 Method and apparatus for measuring distance using dual-component radar  
A device measures distance using a wireless signal that has two simultaneously transmitted components. Each of the two components includes a respective repeated code, the two codes having...
7626538 Augmented passive tracking of moving emitter  
In one embodiment, the disclosure relates to a method for estimating and predicting a target emitter's kinematics, the method including the steps of: (a) passively sampling, at a first sampling...
7616150 Null steering system and method for terrain estimation  
A weather radar system coupled to a weather radar antenna, including a receive circuit for receiving radar returns received by the antenna and a processor for summing portions of the radar return...
7612708 RF system for tracking objects  
A system for tracking an object in space for position, comprises a transponder device connectable to the object. The transponder device has one or several transponder aerial(s) and a transponder...
7602331 Computationally efficient adaptive radar pulse compression system  
One aspect of this disclosure relates to a method for processing a received, modulated radar pulse to resolve a radar target from noise or other targets. According to an embodiment of the method,...
7598903 Sensor for measuring distance and method for measuring distance using the sensor  
A distance measurement sensor and a distance measurement method using the same are disclosed. The distance measurement sensor can use all of a pulse method and a Continuous Wave (CW) method, can...
7598900 Multi-spot inverse synthetic aperture radar imaging  
Providing multi-spot inverse synthetic aperture radar (ISAR) imagery is disclosed. Embodiments of techniques in accordance with the present disclosure may advantageously improve multiple target...
7592945 Method of estimating target elevation utilizing radar data fusion  
A collision avoidance system for reducing false alerts by estimating the elevation of a target, includes short and long range single-dimensional scanning radar sensors having differing ranges and...
7592946 Level measurement arrangement  
A level measurement arrangement for measurement of a level of a product in a container, comprising: a level sensor, having: a mounting element, including a process connector, for mounting the...
7590720 Systems and methods for locating geographical regions of mobile computer users  
System and methods for locating a mobile computing unit are described. In some cases the systems and/or methods determine a geographical region in which a mobile computing unit is located using...
7589665 Multistatic method and device for radar measuring a close distance  
A multistatic detection device for measuring a distance to an object includes a transmitter and a receiver, each having a high-frequency oscillator and a pulse generator. The pulse generators can...
7586435 Radar level gauge system using a waveguiding structure with periodically arranged reference impedance transitions  
A radar level gauge system, for determining a filling level of a product contained in a tank, said radar level gauge system comprising: a transceiver for generating, transmitting and receiving...
7574732 Object location based security using RFID  
A system and method for controlling access to a wireless networking system using RFID tags is provided. The security system and method uses RFID tags to determine the location of mobile computing...
7570197 Radar device  
One of the objects of the present invention is to reduce the size of a radar device mounted on a vehicle body. To achieve the object, one aspect of the invention provides a radar device, which is...
7570199 Device and method for detecting overlap of pulse signals and apparatus for estimating distance using the same  
There is provided a device and method for detecting an overlap of pulse signals, capable of easily detecting a point where reference and delayed pulse signals overlap each other, and an apparatus...
7567204 Method for determining noise floor level and radar using the same  
A method for a radar for detecting a noise floor level of an electric signal corresponding to an incident radio wave received by the radar, the incident radio wave including a return of a radar...
7567206 Integrated circuit for measuring the distance and/or velocity of objects  
An integrated circuit for measuring the distance and/or velocity of objects, having: a high-frequency signal generating device for generating a first HF signal having a predefined frequency and a...
7558851 Locating a mobile computing unit  
System and methods for locating a mobile computing unit are described. In some cases the systems and/or methods determine, at a mobile computing unit, the mobile computing unit's absolute...
7548194 Hostile intention assessment system and method  
A hostile intention assessment system and method wherein a tracking sensor subsystem (e.g., radar) tracks targets relative to a critical asset. Determinations are made to assess if a first target...
7546203 Route searching device  
A route searching apparatus comprises a processing device that searches a guided route along which a vehicle is to be guided from a current vehicle position to a destination and also searches a...
7545312 Target detection device and its detection method  
This invention relates to a target detection device and its detection method, comprising: a transmitting unit for transmitting a detecting pulse to detect target which then reflects the detecting...
7541968 System and method for detecting an intruder using impulse radio technology  
An intrusion detection system and method are provided that can utilize impulse radio technology to detect when an intruder has entered a protection zone. In addition, the intrusion detection...
7541969 Radar level gauging system for use at sea  
A radar level gauging system for determining a filling level of a liquid in a tank arranged in a mobile unit is disclosed. The system is comprises a processing circuitry for determining a local...
7535408 Apparatus and methods for detection of multiple targets within radar resolution cell  
A method and apparatus is operative for multiple target detection in a radar system which employs a radar waveform of two or more frequency diverse subpulses. The apparatus adds coherent...
7532110 Air spring distance indicating system and method  
A distance indicating system includes a transmitting portion, a transceiver spaced a distance from the transmitting portion, and a receiving portion supported in spaced relation to the...
7525476 System and method for filling level determination  
A method for determining a filling level of a product contained in a tank, by means of a radar level gauge system comprising a transceiver for generating, transmitting and receiving...
7525479 Radar apparatus  
An array antenna includes a first end portion that has a first plurality of antennas arranged with a spacing d therebetween and a second end portion that has a second plurality of antennas...
7525477 Distance measuring device  
A distance measuring device includes: an impulse generator that generates an impulse; a transmission antenna that transmits the impulse generated by the impulse generator; a reception antenna that...
7526369 Pedestrian detection device, related method, air bag system and vehicle equipped with air bag system  
A pedestrian detection device, a related method, an air bag system and a vehicle are disclosed. The pedestrian detection device 20 includes an infrared ray sensor 30A, which detects a temperature...
7522747 Vehicle detection apparatus and method  
A front-going vehicle is recognized by using a camera image from a camera for monitoring the front of one's own vehicle and detection data from a radar for detecting position of an object in front...
7522926 Location identification  
The location of a mobile terminal may be determined in response to signals received from a plurality of RFIDs. Information from a plurality of RFIDs for determining a location of a mobile terminal...
7518546 Method and apparatus for measuring distance using low clock rate signal  
Provided is an apparatus and a method of measuring a distance between devices using a low clock frequency signal. The apparatus includes clock frequency generators, counters, a controller and a...
7518543 Method for determining positions of targets by bistatic measurements using signals scattered by the targets  
A method for determining the positions of targets by bistatic measurements using signals scattered by the targets is provided in which the velocities of the targets can also be determined. The...
7515095 Silo contents measurement system  
An antenna for a level sensing gauge comprises an environmentally sealed chamber extending from the level sensing gauge and mounting and positionable within the interior of a storage compartment,...
7515092 Sub-frame synchronized residual radar  
A method of using a wireless communication system to determine locations is provided. The method including exchanging communication frames between at least two synchronized nodes in the...
7511656 Spotlight synthetic aperture radar (SAR) system and method for generating a SAR map in real-time using a modified polar format algorithm (PFA) approach  
Embodiments of spotlight synthetic aperture radar (SAR) systems and methods generating a SAR map in real time with minimum latency using a modified Polar Format Algorithm are generally described...
7509217 Vehicle detector and vehicle detecting method  
A vehicle detector includes a detecting apparatus and a determining apparatus. If a plurality of detection points detected by the detecting apparatus forms a group of detection points, the...
7504989 On-vehicle radar device  
An on-vehicle radar device has a transmission section for transmitting a radio wave to an object, a receive section for receiving the radio wave reflected by the object, and a processing section...
7504992 Wireless system using continuous wave phase measurement for high-precision distance measurement  
A system and method for monitoring topological changes in a defined area. A grid of sensors is arranged in the area, with known distances between them. The sensors communicate wirelessly with a...
7504991 Distance measuring system  
Disclosed is a distance measuring system comprising a transmitter that sequentially generates pulse sequences each having a plurality of pulse signals of equal amplitudes arranged at equi-time...
7498975 Pulse radar system  
A pulse radar system includes: a pulse output circuit that outputs a periodic transmission pulse and a gate pulse having a cycle which is a rational multiple of a cycle of the transmission pulse...
7498974 Radar level gauge with a galvanically isolated interface  
A radar level gauge (RLG) using electromagnetic waves for determining a process variable of a product in a tank is provided which includes timing circuitry adapted to provide timing control of a...
7495605 Radar apparatus  
A radar apparatus includes a receiving means that receives a reflected signal, a beat signal generation means that generates beat signals based on the reflected signal, a correlation matrix...
7486227 System and method for removal of sea-state bias in satellite altimetry data  
A method for correcting bias in altimetry data for ascending satellite tracks and descending satellite tracks. For satellites operating in tandem, calculate ascending track bias between the height...
7486226 Device and a method for accurate radar level gauging  
The invention relates to a system, device, and method for using radar signals to measure the distance (h) to a surface from said device, the device comprising a transmitter and a transmitting...
7482969 Material movement sensing techniques  
One embodiment of the present invention provides several electromagnetic radiation reflectors within a volume that contains solid portions subject to movement relative to one another. At least a...
7479921 Distance measuring device, distance measuring method and distance measuring program  
A transmission unit emits an electromagnetic wave having the same frequency f as an output signal from a sending unit in a direction of a measurement axis. A detecting unit performs synchronous...
7474255 Target tracking method of radar with frequency modulated continuous wave  
The present invention relates to a target tracking method of radar with frequency modulated continuous wave, which transmits a transmitted signal to receive a return wave of the transmitted signal...
7466261 Method and system for radio detection and ranging intrusion detection system  
A RADAR system including a set of RADAR apparatuses is disclosed. Each apparatus includes a processor, a pulse unit in signal communication with the processor, a waveform signal generator in...