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Class Information
Number: 342/193
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > With particular circuit > Spectrum analysis > Harmonic
Description: Subject matter including means to identify and evaluate harmonics that make up the returned radar signal.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8537050 Identification and analysis of source emissions through harmonic phase comparison Sep. 17, 2013
8410976 Frequency-modulated interrupted continuous wave radar using pulses derived from a frequency-modulated signal in which the rate of frequency change increases at the boundary of a pulse repetiti Apr. 2, 2013
8319682 Method and apparatus for examining an object using electromagnetic millimeter-wave signal illumination Nov. 27, 2012
8131239 Method and apparatus for remote detection of radio-frequency devices Mar. 6, 2012
7973699 Dismount harmonic acceleration matched filtering for enhanced detection and discrimination Jul. 5, 2011
7884757 Scanning ultra wideband impulse radar Feb. 8, 2011
7864107 RF receiver sensing by harmonic generation Jan. 4, 2011
7821870 Method and system for identifying moving objects using acoustic signals Oct. 26, 2010
7817082 Multi frequency spectral imaging radar system and method of target classification Oct. 19, 2010
7777671 Radar system and method Aug. 17, 2010
7777672 Radar system and method Aug. 17, 2010
7692575 Radar target detection method and radar apparatus using the same Apr. 6, 2010
7656347 Quadrature radar apparatus Feb. 2, 2010
7639178 System and method for detecting receivers Dec. 29, 2009
7606294 Channel quality estimation method and receiving apparatus Oct. 20, 2009
7542516 Synchronization method for symbol boundary detection in UWB-OFDM Jun. 2, 2009
7382311 Method, computer program product and system for differentiating physical sources from second order nonlinear signal effects Jun. 3, 2008
7372897 Portable information communication terminal, program, and recording medium May. 13, 2008
7352800 Method of partial parallel interference cancellation Apr. 1, 2008
7295148 Radar system with RCS correction Nov. 13, 2007
7277681 Interrogator of moving body identification device Oct. 2, 2007
7221311 Radar May. 22, 2007
7209071 System and method for distance measurement Apr. 24, 2007
7106244 Freight container monitoring system Sep. 12, 2006
7079072 Helicopter recognition radar processor Jul. 18, 2006
6914552 Magneto-radar detector and method Jul. 5, 2005
6876296 Smart license tag system Apr. 5, 2005
6765527 System and method of radar detection of non-linear interfaces Jul. 20, 2004
6683559 Unwanted peak detection for radar Jan. 27, 2004
6677882 Multi-octave high-resolution receiver for instantaneous frequency measurements Jan. 13, 2004
6577265 Multi-stage processing for efficient and accurate spectral moment estimation Jun. 10, 2003
6573861 Target classification method Jun. 3, 2003
6531979 Adaptive time-compression stabilizer Mar. 11, 2003
6469656 Method of detecting moving and/or stationary objects in the path of a vehicle Oct. 22, 2002
6400305 Wide band radar detector with three-sweep input stage Jun. 4, 2002
6344818 Apparatus and method for the detection of materials Feb. 5, 2002
6243036 Signal processing for object detection system Jun. 5, 2001
6040796 Radar system installable in an automotive vehicle for detecting a target object Mar. 21, 2000
5872536 Multi-sensor anticipatory object detection system Feb. 16, 1999
5867118 Apparatus for and method of classifying patterns Feb. 2, 1999
5757309 Spatial frequency feature extraction for a classification system using wavelets May. 26, 1998
5706010 Method and apparatus for determining location of an unknown signal transmitter Jan. 6, 1998
5592171 Wind profiling radar Jan. 7, 1997
5565872 System and method for detecting and characterizing vibrating targets Oct. 15, 1996
5561431 Wavelet transform implemented classification of sensor data Oct. 1, 1996
5546088 High-precision radar range finder Aug. 13, 1996
5376940 Helicopter recognition radar processor Dec. 27, 1994
5347282 Apparatus for the observation and indentification of helicopters Sep. 13, 1994
5191343 Radar target signature detector Mar. 2, 1993
5150124 Bandpass filter demodulation for FM-CW systems Sep. 22, 1992

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