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Class Information
Number: 342/132
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining distance > With frequency modulation > Plural modulation > Combined with pulse modulation (e.g., frequency agile) > With pulse modulation (e.g., "chirp")
Description: Subject matter including modulation of the frequency within the duration of the pulse modulation.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8704704 Motor vehicle radar system, and method for determining speeds and distances of objects Apr. 22, 2014
8704703 Pseudosynchronizer for an unsynchronized bistatic radar system Apr. 22, 2014
8421669 Synthetic aperture processing system and synthetc aperture processing method Apr. 16, 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
8391336 Variable length ranging and direction-finding signals constructed from bandlimited kernels and sparse spreading sequences Mar. 5, 2013
8351483 Architecture for ultra-wideband radio Jan. 8, 2013
8305256 Radar with PRF alteration on receive Nov. 6, 2012
8259003 High duty cycle radar with near/far pulse compression interference mitigation Sep. 4, 2012
8232907 Step frequency high resolution radar Jul. 31, 2012
8228226 E-Band receiver and bit error measurement Jul. 24, 2012
8115666 Ground penetrating synthetic aperture radar Feb. 14, 2012
8098191 Electronic curtain for vehicle protection Jan. 17, 2012
8035551 Noise correlation radar devices and methods for detecting targets with noise correlation radar Oct. 11, 2011
8018374 Radar Sep. 13, 2011
8014483 Method of acquiring initial synchronization in impulse wireless communication and receiver Sep. 6, 2011
7952515 Range gated holographic radar May. 31, 2011
7940134 Active YIG oscillator driving device and driving method thereof May. 10, 2011
7880672 Generating nonlinear FM chirp radar signals by multiple integrations Feb. 1, 2011
7843381 Radar device Nov. 30, 2010
7821446 Unswitched, ultra low power, long range radar system Oct. 26, 2010
7791528 Method and apparatus for radar signal processing Sep. 7, 2010
7791530 Time duplex apparatus and method for radar sensor front-ends Sep. 7, 2010
7782248 UWB distance measurement system and method of driving the same Aug. 24, 2010
7773026 Heterodyne transceiver systems and methods Aug. 10, 2010
7773205 High-resolution three-dimensional imaging radar Aug. 10, 2010
7719460 Radar device May. 18, 2010
7688257 Marine radar systems and methods Mar. 30, 2010
7602331 Computationally efficient adaptive radar pulse compression system Oct. 13, 2009
7598900 Multi-spot inverse synthetic aperture radar imaging Oct. 6, 2009
7535408 Apparatus and methods for detection of multiple targets within radar resolution cell May. 19, 2009
7515093 Active antenna radar system Apr. 7, 2009
7504984 Large scale imaging with spatially-coded waveforms Mar. 17, 2009
7495598 Methods and systems for avoidance of partial pulse interference in radar Feb. 24, 2009
7474962 Methods and systems of relative navigation for shipboard landings Jan. 6, 2009
7403153 System and method for reducing a radar interference signal Jul. 22, 2008
7362261 Linear frequency-modulated pulse radar Apr. 22, 2008
7308043 Scrambled chirp frequency jitter for feature suppression Dec. 11, 2007
7301453 Locator system and method Nov. 27, 2007
7265711 High-frequency oscillator, high-frequency transmission-reception apparatus using the same, radar apparatus, and radar-apparatus-equipped vehicle and small boat equipped with the same Sep. 4, 2007
7250900 System and method for sidelobe reduction using detect-and-subtract techniques Jul. 31, 2007
7248205 Radar apparatus Jul. 24, 2007
7236120 Ultra-wideband detector systems for detecting moisture in building walls Jun. 26, 2007
7199747 Generating a fine time offset using a SiGe pulse generator Apr. 3, 2007
7196658 Waveform generation method, waveform generation program, waveform generation circuit and radar device Mar. 27, 2007
7151484 Pulse compression processor Dec. 19, 2006
7151483 System and method for concurrent operation of multiple radar or active sonar systems on a common frequency Dec. 19, 2006
7148839 Operational bistatic radar system synchronization Dec. 12, 2006
7148840 Radar apparatus, radar apparatus controlling method Dec. 12, 2006
7148841 Radar device Dec. 12, 2006
7142153 Short pulse/stepped frequency radar system Nov. 28, 2006

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