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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
7646327 Synthetic aperture radar motion estimation method Jan. 12, 2010
7646334 Radar signal processing system and method for analyzing downhole oil and gas well environments Jan. 12, 2010
7646330 System and method for locating objects and communicating with the same Jan. 12, 2010
7629922 Method and system for obtaining in-phase and quadrature components of a signal Dec. 8, 2009
7623064 Instantaneous radar polarimetry Nov. 24, 2009
7606294 Channel quality estimation method and receiving apparatus Oct. 20, 2009
7598899 Method and apparatus for compression of SAR images Oct. 6, 2009
7589666 System and method for processing data in weather radar Sep. 15, 2009
7558695 Self-powered vehicle speed sensor Jul. 7, 2009
7555051 Method and device for estimating IQ imbalance Jun. 30, 2009
7551118 RFI suppression in SAR Jun. 23, 2009
7551119 Flight path-driven mitigation of wavefront curvature effects in SAR images Jun. 23, 2009
7548193 Radar device Jun. 16, 2009
7538712 Method and apparatus for decompression of SAR images May. 26, 2009
7532154 Frequency modulation radar device May. 12, 2009
7528768 Radar device May. 5, 2009
7508334 Method and apparatus for processing SAR images based on an anisotropic diffusion filtering algorithm Mar. 24, 2009
7504985 Multi-dimensional real-array radar antennas and systems steered and focused using fast fourier transforms Mar. 17, 2009
7486225 Radar device Feb. 3, 2009
7479921 Distance measuring device, distance measuring method and distance measuring program Jan. 20, 2009
7477182 Pulse radar system Jan. 13, 2009
7471237 Built-in missile RADAR calibration verification Dec. 30, 2008
7463181 Method of suppressing interferences in systems for detecting objects Dec. 9, 2008
7456780 Method and system for developing and using an image reconstruction algorithm for detecting and imaging moving targets Nov. 25, 2008
7450054 Method and apparatus for processing complex interferometric SAR data Nov. 11, 2008
7439899 Encoded transmitted signals in a simultaneous dual polarization weather system Oct. 21, 2008
7417584 Monopulse radar estimation of target altitude at low angles of elevation Aug. 26, 2008
7414567 ADS-B radar system Aug. 19, 2008
7391362 Linear FM radar Jun. 24, 2008
7379017 Micro movement pulsed radar system and method of phase noise compensation May. 27, 2008
7372897 Portable information communication terminal, program, and recording medium May. 13, 2008
7352800 Method of partial parallel interference cancellation Apr. 1, 2008
7298317 Gain compensation in an ultra-wideband transceiver Nov. 20, 2007
7298315 Radar pulse compression repair Nov. 20, 2007
7295154 Vehicle obstacle warning radar Nov. 13, 2007
7295145 Selective-sampling receiver Nov. 13, 2007
7280067 Radar detector and radar detecting method for WLAN systems according to 802.11 wireless communication standards Oct. 9, 2007
7268724 Reduced-error monopulse processor Sep. 11, 2007
7259716 Quadrature mixture LO suppression via DSW DAC noise dither Aug. 21, 2007
7250902 Method of generating accurate estimates of azimuth and elevation angles of a target for a phased--phased array rotating radar Jul. 31, 2007
7248205 Radar apparatus Jul. 24, 2007
7236123 System for enhanced detection of a target Jun. 26, 2007
7205931 Method for determining the distance between a base station and a mobile object, in addition to a base station and identification system for a method of this type Apr. 17, 2007
7206707 Wideband digital IFM receiver Apr. 17, 2007
7199751 Radar equipment Apr. 3, 2007
7190302 Sub-surface radar imaging Mar. 13, 2007
7183964 Mine detection using radar vibrometer Feb. 27, 2007
7176828 Near-field antenna array with signal processing Feb. 13, 2007
7170440 Linear FM radar Jan. 30, 2007
7167513 IQ imbalance correction Jan. 23, 2007

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