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Class Information
Number: 342/159
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Clutter elimination
Description: Subject matter wherein unwanted echoes are cancelled from the returned radar signal.










Sub-classes under this class:

Class Number Class Name Patents
342/160 Mti (moving target indicator) 225


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8659473 Amplifier circuit for a ranging transceiver Feb. 25, 2014
8604965 Apparatus and method to generate and detect virtual targets Dec. 10, 2013
8599060 Clutter reduction in detection systems Dec. 3, 2013
8593335 Method and device for processing echo signal, radar device and echo signal processing program Nov. 26, 2013
8581774 Method for detecting precipitation using a radar locating device for motor vehicles Nov. 12, 2013
8570213 Method and device for reducing fake image, radar apparatus, and fake image reduction program Oct. 29, 2013
8564474 Method and program for setting threshold, and method, program and device for detecting target object Oct. 22, 2013
8564475 Apparatus and method for ray-tracing in wideband Gbyte GBPS communication system Oct. 22, 2013
8552902 Methods and apparatus for suppression of low-frequency noise and drift in wireless sensors or receivers Oct. 8, 2013
8547273 Pulse radar apparatus and control method thereof Oct. 1, 2013
8537050 Identification and analysis of source emissions through harmonic phase comparison Sep. 17, 2013
8471760 Automotive radar with radio-frequency interference avoidance Jun. 25, 2013
8471761 Wideband radar nulling system Jun. 25, 2013
8462043 Method for detecting radar signals affected by interference Jun. 11, 2013
8456350 Methods and apparatus for sea state measurement via radar sea clutter eccentricity Jun. 4, 2013
8456352 Methods and apparatus for automatic STC from sea state measurement via radar sea clutter eccentricity Jun. 4, 2013
8436766 Systems and methods for suppressing radar sidelobes using time and spectral control May. 7, 2013
8416119 Weather radar apparatus and signal processing method thereof Apr. 9, 2013
8405544 Method and device for processing signal, radar apparatus, and program for processing signal Mar. 26, 2013
8368582 Doppler radar apparatus and method of calculating doppler velocity Feb. 5, 2013
8358233 Radar target detection process Jan. 22, 2013
8354952 System and method for phase retrieval for radio telescope and antenna control Jan. 15, 2013
8344937 Methods and apparatus for integration of distributed sensors and airport surveillance radar to mitigate blind spots Jan. 1, 2013
8344938 System to prevent two rotating antennas from illuminating each other Jan. 1, 2013
8344944 Method and system for continuous wave interference suppression in pulsed signal processing Jan. 1, 2013
8344956 Methods for reducing near-field radiation and specific absorption rate (SAR) values in communications devices Jan. 1, 2013
8330647 Sensor suite and signal processing for border surveillance Dec. 11, 2012
8330642 Imaging by time reversal beamforming Dec. 11, 2012
8310392 Radar device and echo data processing device Nov. 13, 2012
8311555 Wireless device, system and method for discriminating radar transmissions from wireless network transmissions and wireless network having radar-avoidance capability Nov. 13, 2012
8305261 Adaptive mainlobe clutter method for range-Doppler maps Nov. 6, 2012
8299955 Method for cleaning signals for centralized antijamming Oct. 30, 2012
8294610 Systems and methods for resolving interferometric angle-of-arrival ambiguities due to local multipath reflections Oct. 23, 2012
8279113 Method for filtering a radar signal after it has been reflected by a target Oct. 2, 2012
8274423 Sensitivity enhancement system Sep. 25, 2012
8269665 Monopulse angle determination Sep. 18, 2012
8248297 Phase noise measurement system and method Aug. 21, 2012
8243832 Encoded space time warped asymmetrical signaling Aug. 14, 2012
8242952 Elimination of spurious data in radar cross-section calculations and measurements Aug. 14, 2012
8237606 UHF radar system for implementing a method of eliminating vegetation clutter Aug. 7, 2012
8223067 Noise-canceling down-converting detector Jul. 17, 2012
8223064 Spectral analysis and FMCW automotive radar utilizing the same Jul. 17, 2012
8219034 Method for detection of radar signals Jul. 10, 2012
8207887 Computationally efficent radar processing method and sytem for SAR and GMTI on a slow moving platform Jun. 26, 2012
8207889 Dual polarization radar apparatus and interference judgment method Jun. 26, 2012
8203480 Predictive and adaptive weather radar detection system and method Jun. 19, 2012
8193972 Adaptive calculation of pulse compression filter coefficients for a radar signal Jun. 5, 2012
8193974 Systems and methods for suppressing ambiguous peaks from stepped frequency techniques Jun. 5, 2012
8188910 Method for the multidimensional temporal kinematic filtering of radar blips, from antenna revolution to antenna revolution May. 29, 2012
8179307 Method for the multipath passive radar processing of an FM opportunity signal May. 15, 2012

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