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7956797 System and method for measuring a relative distance between vehicle components using ultra-wideband techniques  
A system for measuring relative distance between a first component on a vehicle and a second component on the vehicle is provided. The system includes a wireless ultra-wideband (UWB) transceiver...
7956796 Detecting device and railroad vehicle  
A system according to the invention detects location information of a vehicle by using a reflection strength change of an electromagnetic wave. The system incorporates a radiowave transmitter...
7952513 Counter target acquisition radar and acoustic adjunct for classification  
A system for classifying targets utilizes radar receptions and acoustic signatures of armament projectiles (e.g., bullets from celebratory rifle fire, mortars, cannon fire, artillery shells, or...
7952515 Range gated holographic radar  
Narrow virtual transmit pulses are synthesized by differencing long-duration, staggered pulse repetition interval (PRI) transmit pulses. PRI is staggered at an intermediate frequency IF. Echoes...
7948430 Position estimating system, position estimating method, position estimating device and its program  
A position estimating device (4) which estimates the position of an object by comparing a receiving pattern obtained from ID transmitters (2a, 2b, . . . ) and ID receivers (3a, 3b, . . . )...
7948431 Radiobased locating system provided with a synthetic aperture  
The invention relates to a method for increasing the accuracy of a measurement of a radio-based locating system comprising a mobile station and at least one fixed station, wherein the movement of...
7944392 Radar receiver and a method for processing radar returns  
A method for processing received radar returns of a radiated wide-band arbitrary waveform in a wide-band radar processing system using spectral processing. The received wide-band radar returns are...
7944391 Correction for near field radar imaging  
A near field radar imaging system looks at the distance between the several points under evaluation, and corrects image strength based upon varying distances such that a more accurate image of the...
7944390 High-resolution synthetic aperture side view radar system used by means of digital beamforming  
The transmission antenna (10) of the high-resolution synthetic aperture side view radar system comprises a plurality of sub-apertures (7, 8, 9). In each individual transmission pulse, said...
7940205 Method using radar to detect a known target likely to be positioned at approximately a given height, near other targets positioned at approximately the same height  
Using a radar to detect a known target likely to be positioned at approximately a predetermined height close to other targets, these other targets also being positioned at approximately the...
7932855 Distance measuring device and distance measuring method  
There are provided a distance measuring device and a distance measuring method characterized by “simple configuration”, “capability of measuring a near distance”, and “a small measurement error”...
7928896 Application of time reversal to synthetic aperture imaging  
A method and apparatus for target focusing and ghost image removal in synthetic aperture radar (SAR) is disclosed. Conventional SAR is not designed for imaging targets in a rich scattering...
7928897 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...
7928899 Detection and compensation of target losses when there is a channel change  
The present invention relates to a method of detecting and correcting the loss of a target lost by the distance sensor installation of a motor vehicle when a target object (4) moves from one...
7924217 High sensitivity frequency modulated radar level gauge system  
A radar level gauge system for determining a filling level of a product contained in a tank, comprising: a transceiver for generating, transmitting and receiving frequency-modulated...
7920088 Apparatus and method to identify targets through opaque barriers  
The present invention is a method and apparatus that provides detection, characterization, and intuitive dissemination of targets. This disclosure combines improvements to ultra-wideband (UWB)...
7920087 Apparatus for estimating state of vehicle located in frontward field  
An estimation apparatus estimates a state of a vehicle located in a frontward field. Positional coordinates of a plurality of positions on an object are measured by radiating radar waves toward...
7903023 Obstacle detection system notably for an anticollision system  
The present invention relates to system for detecting obstacles (13, 55, 56, 57) on the ground (15) onboard a carrier (1). The detection system comprises at least two continuous-wave radars (2, 3,...
7903022 Distance measuring apparatus, distance measuring method, reflector, and communication system  
A transmission controller 7B is configured to transmit an R/W request signal for requesting transmission of a tag response signal to a RFID tag 1 twice. At this time, a frequency controller 7A...
7898469 Receiving device for spread spectrum radar apparatus  
Provided is a receiving device that is used for a spread spectrum radar apparatus, receives a spectrum-spread signal, and obtains a precise radar spectrum, and includes: a despreading unit that...
7898460 Radar target detecting method, and apparatus using the target detecting method  
A radar apparatus includes a transmitting antenna and a receiving antenna that has a plurality of antenna elements, and switches the plurality of antenna elements in synchronization with a...
7893865 Vehicular lamp  
A vehicular lamp includes a lamp chamber formed by a lamp body opening forward and a transparent front cover attached to a forward opening portion thereof; a lamp unit disposed within the lamp...
7889119 Radial gap measurement on turbines  
Radial gap measurement on turbines by a microwave measuring method and an evaluation of a Doppler effect which varies according to the size of the radial gap is described. At least one radar...
7890263 System and method for sensing and deployment control supervision of a safety device  
A system and method of controlling deployment of a safety device for a vehicle. The system may include a pre-impact collision assessment system, an impact detection system, and an inflatable...
7889118 Radar system and method using pulse compression  
A radar system includes an antenna and has short range detection capability. The radar system includes a receiver coupled to the antenna for receiving a receive signal associated with a pulse...
7884757 Scanning ultra wideband impulse radar  
In one embodiment, an ultra wide band (UWB) radar includes: a substrate; a plurality of antennas adjacent the substrate, the plurality of antennas being arranged into a plurality of sub-arrays; an...
7884755 Filling level radar with variable transmitting power  
A level measuring instrument has a variable transmitting power for measuring a filling level in a tank. The level measuring instrument includes a generator unit generating one of a first...
7877101 Locating a WLAN station using signal propagation delay  
A wireless network device comprises a first RF transceiver module and a control module. The first RF transceiver module transmits a first data frame to a second RF transceiver module and receives...
7873099 Time transfer using ultra wideband signals  
Time is transferred from an ultra wideband (UWB) transmitter to UWB receiver by transmitting a signal structure having an associated timing reference point together with a time value for the...
7872603 Method and apparatus for making airborne radar horizon measurements to measure atmospheric refractivity profiles  
A method for determining a refractivity profile of an atmosphere of the Earth. The method may involve: generating radar signals from a radar device located above the Earth's surface toward the...
7868817 Radar system for obstacle avoidance  
A radar system comprises a transmitter antenna configured to transmit a radio frequency (RF) signal, a first receiver antenna, and a second receiver antenna. Each of the first and second receiver...
7864106 Pulse doppler coherent radar or ultrasound detection method and system for SNR enhancement  
A method and system for SNR enhancement in pulse-Doppler coherent target detection for applications in the fields of radar and ultrasound. In accordance with the method of the invention, complex...
7864105 Distance measuring apparatus and distance measuring method  
Distance measuring apparatus has a rough distance measuring circuit (18) using a time delay circuit and a precise distance measuring circuit (31) for measuring the orientation of the vector of a...
7864103 Device and method for 3D height-finding avian radar  
A height-finding 3D avian radar comprises an azimuthally scanning radar system with means of varying the elevation pointing angle of the antenna. The elevation angle can be varied by employing...
7858910 Zero blind zone doppler beam sharpening  
A method and apparatus for remotely sensing the content in a field of view are disclosed. The method includes transmitting a coherent optical signal into a field of view; receiving and detecting a...
7855674 Method and radar system for coherent detection of moving objects  
The present invention provides a coherent radar system based on a modification of standard non-coherent radar without Moving Target Indication. Typical radars in this class are Navigation radars...
7852259 Clutter filtering  
Clutter filtering of broadband radar signals is performed by obtaining a measure of the impedance of an echo target. A distance resolution is selected and then a power spectrum is calculated for...
7852256 Through the-wall motion detector with improved antenna  
A flat panel antenna used at a wall in a through-the-wall CW radar application is spaced from the wall by a half wavelength to eliminate the effects of energy reflected by the wall back to the...
7843380 Half aperture antenna resolution system and method  
A system and method for sensing elevation terrain using an airborne weather radar. Method techniques include sampling first and second radar returns from a weather radar at two portions of an...
7843381 Radar device  
A radar device of FM pulse system, in which a pulsed radio wave with frequency modulated is transmitted or received, to calculate a distance to a target 203 and a relative velocity, comprising:...
7843379 Symmetrical multi-path method for determining the distance between two transmitter-receivers  
The invention relates to a symmetrical multi-path method for determining the spatial distance between two transmitter-receivers. Both transmitter-receivers set off at least one signal round in...
7840506 System and method for geodesic data mining  
In various embodiments, geodesic mining systems and methods are disclosed. For example, a method for forming and adapting a geodesic adaptive network may include embedding a set of rules into a...
7839323 Error estimation and correction in a two-channel time-interleaved analog-to-digital converter  
A two-channel time-interleaved analog-to-digital converter (TIADC) system that provides for estimation and correction of offset, gain, and sample-time errors. Error in the offsets of the two ADCs...
7839322 System for detecting obstacles in the vicinity of a touchdown point  
A method of detecting obstacles on board an aircraft while in the vicinity (44) of a touchdown point (27, 42), includes the following operations: selecting/determining a path (41) to be followed...
7825853 Man-portable counter mortar radar system  
The present invention is a man-portable counter-mortar radar (MCMR) radar system that detects and tracks enemy mortar projectiles in flight and calculates their point of origin (launch point) to...
7825851 History or image based methods for altitude determination in a radar altimeter  
Methods and apparatus for determining an altitude with an altimeter is provided. One method includes transmitting a signal having a fixed modulation period towards a ground target and then...
7821446 Unswitched, ultra low power, long range radar system  
An ultra low power, long range, robust radar system, for applications such as ionospheric sounding. The HF transmit signal and the received (reflected) signal are both unswitched and high...
7817080 Ranging and communication multifunction system  
A ranging and communication multifunction system including a transmission unit and a receiving unit, and integrates two functions of ranging and communication in which the transmission unit...
7817082 Multi frequency spectral imaging radar system and method of target classification  
Techniques to image life forms through obstructions and at long standoff ranges employ a radar system that simultaneously transmits a plurality of RF pulse trains having different transmission...
7812760 Short-range radar and control method thereof  
A transmitting unit of a short-range radar includes a first pulse generating unit, a second pulse generating unit, an oscillator and a switch, and while complying with the spectrum mask specified...