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Class Information
Number: 342/201
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > With particular circuit > For frequency modulation > Combined with pulse modulation
Description: Subject matter including control of the transmitted radar signal to form discrete pulses.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8581778 Pulse compression system and method Nov. 12, 2013
8391336 Variable length ranging and direction-finding signals constructed from bandlimited kernels and sparse spreading sequences Mar. 5, 2013
8112039 System and method for detecting radar signals in wireless communications access points Feb. 7, 2012
7956799 Frequency scanning radar system Jun. 7, 2011
7952516 System and method for coherent frequency switching in DDS architectures May. 31, 2011
7880672 Generating nonlinear FM chirp radar signals by multiple integrations Feb. 1, 2011
7737886 Doppler radar systems Jun. 15, 2010
7688257 Marine radar systems and methods Mar. 30, 2010
7679549 Waveform generation method, radar device, and oscillator for radar device Mar. 16, 2010
7602331 Computationally efficient adaptive radar pulse compression system Oct. 13, 2009
7564400 Spread spectrum radar apparatus Jul. 21, 2009
7548195 Waveform generation method, radar device, and oscillator for radar device Jun. 16, 2009
7535408 Apparatus and methods for detection of multiple targets within radar resolution cell May. 19, 2009
7511665 Method and apparatus for a frequency diverse array Mar. 31, 2009
7495598 Methods and systems for avoidance of partial pulse interference in radar Feb. 24, 2009
7319427 Frequency diverse array with independent modulation of frequency, amplitude, and phase Jan. 15, 2008
7151483 System and method for concurrent operation of multiple radar or active sonar systems on a common frequency Dec. 19, 2006
7148841 Radar device Dec. 12, 2006
7081850 Coherent detection of ultra wideband waveforms Jul. 25, 2006
7064705 Method of and apparatus for increasing the peak output pulse power delivered by capacitor-driven high-power diode and square-loop saturable reactor pulse compression generators with the aid of Jun. 20, 2006
6989782 Ultra-wideband radar system using sub-band coded pulses Jan. 24, 2006
6965341 High resolution SAR processing using stepped-frequency chirp waveform Nov. 15, 2005
6933880 Programmable source of pulse trains on intermediate frequency and IFF emitting assembly using it Aug. 23, 2005
6933878 Wide bandwidth radar Aug. 23, 2005
6859165 Pulse radar device Feb. 22, 2005
6750809 High resolution SAR processing using stepped frequency chirp waveform Jun. 15, 2004
6693582 Radar device and method for coding a radar device Feb. 17, 2004
6486827 Sparse frequency waveform radar system and method Nov. 26, 2002
6381261 Random pulse type radar apparatus Apr. 30, 2002
6236353 FM modulation technique for producing frequency rejection bands May. 22, 2001
6195036 Pulse radio-localization system Feb. 27, 2001
6147638 Method for operating a radar system Nov. 14, 2000
6091356 Chirp source with rolling frequency lock for generating linear frequency chirps Jul. 18, 2000
5945941 Pulsed radar apparatus and method employing power distribution system having reduced cost and weight and enhanced efficiency and reliability Aug. 31, 1999
5841813 Digital communications system using complementary codes and amplitude modulation Nov. 24, 1998
5777574 High resolution imaging radar linear frequency modulation bandwidth multiplier Jul. 7, 1998
5517197 Modular radar architecture film (FM/CW or pulse) for automobile collision avoidance applications May. 14, 1996
5515011 Pulsed magnetron circuit with phase locked loop May. 7, 1996
5469479 Digital chirp synthesizer Nov. 21, 1995
5469167 Synthetic aperture radar for nonlinear trajectories using range relative doppler processing and invariant mapping Nov. 21, 1995
5428361 Large time-bandwidth chirp pulse generator Jun. 27, 1995
5389933 Linear pulse compression radar system and method Feb. 14, 1995
5347283 Frequency agile radar Sep. 13, 1994
5347281 Frequency-coded monopulse MTI Sep. 13, 1994
5321409 Radar system utilizing chaotic coding Jun. 14, 1994
5313214 Scaled multiple function nonlinear FM waveform May. 17, 1994
5311193 Digital chirp generator May. 10, 1994
5294933 Wideband radar system utilizing adaptive interference canceler Mar. 15, 1994
5289192 Signal processing method for a radar system Feb. 22, 1994
5278567 Post detection integration method and apparatus for pulse compression radar utilizing surface acoustic wave (SAW) matched filters Jan. 11, 1994

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