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Class Information
Number: 342/194
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > With particular circuit > Complex signal (in phase and quadrature)
Description: Subject matter including receiver circuit means to separate returned radar signals into "in phase" and quadrature" components.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7167126 Radar system and method for determining the height of an object Jan. 23, 2007
7161530 System and method for radar calibration using antenna leakage Jan. 9, 2007
7145497 Robust detection technique of fixed and moving ground targets using a common waveform Dec. 5, 2006
7142153 Short pulse/stepped frequency radar system Nov. 28, 2006
7136014 System and method for estimating the azimuth pointing angle of a moving monopulse antenna Nov. 14, 2006
7136010 Measurement and signature intelligence analysis and reduction technique Nov. 14, 2006
7109916 Device for, in particular bistatic radar applications Sep. 19, 2006
7106246 Oscillator coupled to an antenna and an application Sep. 12, 2006
7098845 Apparatus for generating an integrator timing reference from a local oscillator signal Aug. 29, 2006
7095358 Technique for cancellation of elevated clutter for the detection of fixed and ground moving targets under trees Aug. 22, 2006
7081850 Coherent detection of ultra wideband waveforms Jul. 25, 2006
7071869 Radar system using quadrature signal Jul. 4, 2006
7068212 Doppler complex FFT police radar with direction sensing capability Jun. 27, 2006
7057550 System and method for calibrating a vehicular traffic surveillance Doppler radar Jun. 6, 2006
7049999 Modulation circuit for a vehicular traffic surveillance Doppler radar system May. 23, 2006
7050000 Radar based application programmable waveform generator component May. 23, 2006
7046190 Process for phase-derived range measurements May. 16, 2006
7038612 Method for SAR processing without INS data May. 2, 2006
7023377 Noise modulated remote distance measurement Apr. 4, 2006
7023374 Method and apparatus for signal detection and jamming Apr. 4, 2006
7012561 Device and method for registering, detecting, and/or analyzing at least one object Mar. 14, 2006
7006033 Pulse radar apparatus Feb. 28, 2006
7002511 Millimeter wave pulsed radar system Feb. 21, 2006
6989782 Ultra-wideband radar system using sub-band coded pulses Jan. 24, 2006
6972713 Method, apparatus, and computer program product for radar crossrange superresolution Dec. 6, 2005
6967617 Polarization correlation signal processing for radiometers, ladars, and radars Nov. 22, 2005
6922166 System and method for distance measurement by inphase and quadrature signals in a radio system Jul. 26, 2005
6917031 Method for quadrature phase angle correction in a coherent receiver of a dual-polarization optical transport system Jul. 12, 2005
6911934 Apparatus, method and articles of manufacture for sequential lobing high resolution radar Jun. 28, 2005
6897804 Methods and apparatus for determination of a filter center frequency May. 24, 2005
6897803 Radar altimeter with forward ranging capabilities May. 24, 2005
6879279 Differential optical synthetic aperture radar Apr. 12, 2005
6873285 Method and system for providing along-track alignment and formatting of synthetic aperture radar (SAR) data, and SAR image formation algorithms using such method and system Mar. 29, 2005
6870502 Advanced asynchronous pulse detector Mar. 22, 2005
6867732 Embedded multi-functional preprocessing input data buffer in radar system Mar. 15, 2005
6864827 Digital intermediate frequency receiver module for use in airborne SAR applications Mar. 8, 2005
6856279 Methods and apparatus for determining an interferometric angle to a target in body coordinates Feb. 15, 2005
6836240 Waveform synthesis for imaging and ranging applications Dec. 28, 2004
6833810 Combining signals exhibiting multiple types of diversity Dec. 21, 2004
6828933 Waveform synthesis for imaging and ranging applications Dec. 7, 2004
6825800 Waveform synthesis for imaging and ranging applications Nov. 30, 2004
6819285 Monopulse radar system for determining the height of a target Nov. 16, 2004
6806826 Vehicle obstacle warning radar Oct. 19, 2004
6801155 Method and apparatus for recognising a radar target Oct. 5, 2004
6798374 Traffic surveillance radar using ranging for accurate target identification Sep. 28, 2004
6778127 Drillstring radar Aug. 17, 2004
6750804 System and method for detecting and estimating the direction of near-stationary targets in monostatic clutter using phase information Jun. 15, 2004
6744400 System and method for evaluating uniformity of a wave field in a radar cross section test range Jun. 1, 2004
6744401 Methods and apparatus for radar data processing Jun. 1, 2004
6734820 Methods and apparatus for conversion of radar return data May. 11, 2004

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