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Class Information
Number: 342/196
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > With particular circuit > Digital processing > Fast fourier transform (fft)
Description: Subject matter including means to perform a fast fourier transform.










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

Patent Number Title Of Patent Date Issued
8681038 Radar data processing Mar. 25, 2014
8682821 Method for detection of movement of a specific type of object or animal based on radar signals Mar. 25, 2014
8619908 Wireless ranging system and related methods Dec. 31, 2013
8599061 Cavity detection Dec. 3, 2013
8593338 Creating and processing universal radar waveforms Nov. 26, 2013
8570208 Radar tomography apparatus and method Oct. 29, 2013
8493265 Radar detection method, notably for airborne radars implementing an obstacle detection and avoidance function Jul. 23, 2013
8466832 Doppler-inspired, high-frequency signal generation and up-conversion Jun. 18, 2013
8466834 Radar-imaging of a scene in the far-field of a one- or two-dimensional radar array Jun. 18, 2013
8416119 Weather radar apparatus and signal processing method thereof Apr. 9, 2013
8416121 Narrow-band wide-range frequency modulation continuous wave (FMCW) radar system Apr. 9, 2013
8400346 Method and apparatus for locating a golf ball with doppler radar Mar. 19, 2013
8391336 Variable length ranging and direction-finding signals constructed from bandlimited kernels and sparse spreading sequences Mar. 5, 2013
8384588 Beam stabilization for wideband phase comparison monopulse angle estimation with electronically steered antennas Feb. 26, 2013
8378878 Creating and processing universal radar waveforms Feb. 19, 2013
8378882 Method for operating a radar and radar Feb. 19, 2013
8368586 Person-borne improvised explosive device detection Feb. 5, 2013
8362947 Method for obtaining object-plane field from its two images Jan. 29, 2013
8358233 Radar target detection process Jan. 22, 2013
8354939 Wellbore casing mounted device for determination of fracture geometry and method for using same Jan. 15, 2013
8354952 System and method for phase retrieval for radio telescope and antenna control Jan. 15, 2013
8351525 Orthogonal frequency division multiplexing transmitting and receiving device Jan. 8, 2013
8339305 Method for detecting an object with a frequency modulated continuous wave (FMCW) ranging system Dec. 25, 2012
8334799 Method for radar monitoring of wake turbulence Dec. 18, 2012
8319682 Method and apparatus for examining an object using electromagnetic millimeter-wave signal illumination Nov. 27, 2012
8305257 Method and apparatus for coherent marine radar measurements of properties of ocean waves and currents Nov. 6, 2012
8305262 Mismatched pulse compression of nonlinear FM signal Nov. 6, 2012
8289201 Method and apparatus for using non-linear ground penetrating radar to detect objects located in the ground Oct. 16, 2012
8232907 Step frequency high resolution radar Jul. 31, 2012
8232914 Radar apparatus Jul. 31, 2012
8223064 Spectral analysis and FMCW automotive radar utilizing the same Jul. 17, 2012
8184040 Radar device and a method of detecting a target object using radar May. 22, 2012
8184037 Radar system for aircraft May. 22, 2012
8179303 Signal processing apparatus, radar apparatus, and signal processing method May. 15, 2012
8169359 Pulse doppler radar device May. 1, 2012
8144052 Multi-pixel high-resolution three-dimensional imaging radar Mar. 27, 2012
8138961 Step frequency ISAR Mar. 20, 2012
8081105 Method for measuring the radial velocity of a target with a doppler radar Dec. 20, 2011
8072370 System and method for generating an alert signal in a detection system Dec. 6, 2011
8035551 Noise correlation radar devices and methods for detecting targets with noise correlation radar Oct. 11, 2011
8026841 Range and azimuth resolution enhancement for real-beam radar Sep. 27, 2011
8022863 Spatially variant apodization (SVA) filter Sep. 20, 2011
8022864 Detection of transient signals in doppler spectra Sep. 20, 2011
7990308 Mirror image target detection and recognition Aug. 2, 2011
7990311 Adaptive clutter filter for maritime surface search radar Aug. 2, 2011
7982661 Coherent frequency modulated continuous wave radar Jul. 19, 2011
7940208 Optically-augmented microwave imaging system and method May. 10, 2011
7936301 Stepped frequency radar May. 3, 2011
7932852 RFI suppression in SAR Apr. 26, 2011
7932855 Distance measuring device and distance measuring method Apr. 26, 2011

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