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Class Information
Number: 342/152
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining direction > Monopulse > With quadrature difference processing
Description: Subject matter wherein the "in phase" sum signal is combined with the "quadrature" phase difference signals.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8633850 Identifying a location of a target object using a monopulse radar system and space-time adaptive processing (STAP) Jan. 21, 2014
8593334 Split aperture monopulse antenna system Nov. 26, 2013
8552907 Electronic scanning radar apparatus, receiving wave direction estimating method, and computer-readable storage media storing receiving wave direction estimation program Oct. 8, 2013
8454528 Non-contact physiologic motion sensors and methods for use Jun. 4, 2013
8441392 Method and system for locating a target in an interrogation-response system (IFF) May. 14, 2013
8035548 Evaluation method, particularly for a driver assistance system of a motor vehicle, for object detection using a radar sensor Oct. 11, 2011
7868816 Radio detection device and method Jan. 11, 2011
7859451 Method and system for monopulse radar target angle determination Dec. 28, 2010
7746220 Moving object detection apparatus Jun. 29, 2010
7729450 Spread spectrum signal receiver Jun. 1, 2010
7671789 Method and system for target detection and angle estimation based on a radar signal Mar. 2, 2010
7667638 Detection and resolution of closely spaced targets in a monopulse system Feb. 23, 2010
7653118 Chirped surface acoustic wave (SAW) correlator/expander Jan. 26, 2010
7620094 Spread spectrum clock generator Nov. 17, 2009
7606294 Channel quality estimation method and receiving apparatus Oct. 20, 2009
7586972 Code division multiple access enhanced capacity system Sep. 8, 2009
7586992 Apparatus and method for channel estimation and cyclic prefix reconstruction in an OFDM-STBC mobile communication system Sep. 8, 2009
7580444 Frequency hopping communication system Aug. 25, 2009
7555029 Method for decoding a plurality of standard radio waves and standard radio wave receiver Jun. 30, 2009
7551665 Ultra wideband receiver architecture using high order Gaussian pulses and method of operation Jun. 23, 2009
7548189 Using radar targets of opportunity to build a monopulse calibration table Jun. 16, 2009
7542516 Synchronization method for symbol boundary detection in UWB-OFDM Jun. 2, 2009
7519097 Spread-signal multiplexing circuit Apr. 14, 2009
7505506 System and method for generating single sideband, constant envelope, spread spectrum signals with multiple spreading codes Mar. 17, 2009
7417584 Monopulse radar estimation of target altitude at low angles of elevation Aug. 26, 2008
7372897 Portable information communication terminal, program, and recording medium May. 13, 2008
7358848 Wireless remote sensor Apr. 15, 2008
7352800 Method of partial parallel interference cancellation Apr. 1, 2008
7268724 Reduced-error monopulse processor Sep. 11, 2007
7161530 System and method for radar calibration using antenna leakage Jan. 9, 2007
7136014 System and method for estimating the azimuth pointing angle of a moving monopulse antenna Nov. 14, 2006
6801156 Frequency-agile monopulse technique for resolving closely spaced targets Oct. 5, 2004
6734820 Methods and apparatus for conversion of radar return data May. 11, 2004
6720910 Pri-staggered post-doppler adaptive monopulse processing for detection and location of a moving target in ground clutter Apr. 13, 2004
6674390 Shipboard point defense system and elements therefor Jan. 6, 2004
6630902 Shipboard point defense system and elements therefor Oct. 7, 2003
6404379 Matrix monopulse ratio radar processor for two target azimuth and elevation angle determination Jun. 11, 2002
6369746 Simultaneous nulling in low sidelobe sum and difference antenna beam patterns Apr. 9, 2002
6316934 System for three dimensional positioning and tracking Nov. 13, 2001
6195035 Cylindrical monopulse Feb. 27, 2001
6166678 Fourier-transform-based adaptive radio interference mitigation Dec. 26, 2000
6118402 Process for side lobe suppression and amplitude or phase monopulse radar device Sep. 12, 2000
6078824 Wireless base station equipment Jun. 20, 2000
6018315 Method and system for attitude sensing using monopulse GPS processing Jan. 25, 2000
5847673 System and method for determining a position of an object using output from a radar system Dec. 8, 1998
5841400 Estimator of direction of desired signal Nov. 24, 1998
5831570 Radar resolution using monopulse beam sharpening Nov. 3, 1998
5751249 Radio transmission system and a radio apparatus for use in such a system May. 12, 1998
5694131 Method and apparatus for detecting multipath interference in a radar receiver Dec. 2, 1997
5619206 Secondary radar digital monopulse receiving apparatus and method Apr. 8, 1997

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