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Class Information
Number: 342/25A
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Synthetic aperture radar > Mapping or imaging using synthetic aperture radar (epo)

Sub-classes under this class:

Class Number Class Name Patents
342/25C Combined with monopulse or interferometric (epo) 80
342/25F Particular sar processing techniques (e.g., squint mode, doppler beam-sharpening mode, spotlight mode, bistatic sar, inverse sar) (epo) 200
342/25B Specially adapted for moving target detection (epo) 50
342/25D With frequency domain processing of the sar signals in azimuth (epo) 83
342/25E With time domain processing of the sar signals in azimuth, e.g. time focusing (epo) 27

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
6864827 Digital intermediate frequency receiver module for use in airborne SAR applications Mar. 8, 2005
6861971 Transponder having high phase stability, particularly for synthetic aperture radar, or sar, systems Mar. 1, 2005
6861975 Chirp-based method and apparatus for performing distributed network phase calibration across phased array antenna Mar. 1, 2005
6853332 Automatic registration of images in digital terrain elevation data Feb. 8, 2005
6853330 Inverse precision velocity update for monopulse calibration Feb. 8, 2005
6781540 Radar system having multi-platform, multi-frequency and multi-polarization features and related methods Aug. 24, 2004
6522284 Radar cross-section measurement system for analysis of electrically insulative structures Feb. 18, 2003
6489920 Method for detecting a vehicle traffic status and system for detecting said traffic status Dec. 3, 2002
6437728 A-scan ISAR target recognition system and method Aug. 20, 2002
6373426 Radar station and radar system comprising at least two such stations Apr. 16, 2002
6337654 A-scan ISAR classification system and method therefor Jan. 8, 2002
6272448 Apparatus and method for terrain model reproduction Aug. 7, 2001
6188348 Radar ice sounder with parallel doppler processing Feb. 13, 2001
6185512 Method and system for enhancing the accuracy of measurements of a physical quantity Feb. 6, 2001
6166678 Fourier-transform-based adaptive radio interference mitigation Dec. 26, 2000
6130641 Imaging methods and apparatus using model-based array signal processing Oct. 10, 2000
6111535 Method of minimizing leakage energy in a synthetic aperture radar process Aug. 29, 2000
6088295 Feature imaging and adaptive focusing for synthetic aperture processor Jul. 11, 2000
6072420 Ultra wide band coherent radar system optimising the radio interference discrimination capability Jun. 6, 2000
6054947 Helicopter rotorblade radar system Apr. 25, 2000
6046695 Phase gradient auto-focus for SAR images Apr. 4, 2000
6018306 Scalable range migration algorithm for high-resolution, large-area SAR imaging Jan. 25, 2000
5982319 UHF synthetic aperture radar Nov. 9, 1999
5973634 Method and apparatus for reducing range ambiguity in synthetic aperture radar Oct. 26, 1999
5969662 SAR radar system Oct. 19, 1999
5949364 Method and system for producing images of an object Sep. 7, 1999
5910785 Method for the processing of the reception signal of a synthetic aperture radar with frequency ramps Jun. 8, 1999
5900833 Imaging radar suitable for material penetration May. 4, 1999
5898399 Subchirp processing method Apr. 27, 1999
5886662 Method and apparatus for remote measurement of terrestrial biomass Mar. 23, 1999
5870053 Method and system for determining a modulus of speed of a carrier of radar Feb. 9, 1999
5860926 Method and ultrasound apparatus for fast acquisition of two dimensional images Jan. 19, 1999
5850202 Method for improving SAR system sensitivity in the presence of RF interference Dec. 15, 1998
5815111 Method of reducing ambiguities in synthetic aperture radar, and radar implementing the method Sep. 29, 1998
5812082 Method for azimuth scaling of SAR data and highly accurate processor for two-dimensional processing of scanSAR data Sep. 22, 1998
5777574 High resolution imaging radar linear frequency modulation bandwidth multiplier Jul. 7, 1998
5708436 Multi-mode radar system having real-time ultra high resolution synthetic aperture radar (SAR) capability Jan. 13, 1998
5680138 Synthetic aperture radar simulation Oct. 21, 1997
5670960 Device for the detection and location of objects on the ground Sep. 23, 1997
5666121 VLSI processor design of real-time data compression for high resolution imaging radar Sep. 9, 1997
5627543 Method of image generation by means of two-dimensional data processing in connection with a radar with synthetic aperture May. 6, 1997
5608404 Imaging synthetic aperture radar Mar. 4, 1997
5566382 Mutiple-clock controlled spatial light modulator Oct. 15, 1996
5563601 Two-port synthetic aperature radar system for radar detection of targets Oct. 8, 1996
5552787 Measurement of topography using polarimetric synthetic aperture radar (SAR) Sep. 3, 1996
5548290 Method of designing transmission power in synthetic aperture radar Aug. 20, 1996
5546085 Separating coherent radio-frequency interference from synthetic aperture data Aug. 13, 1996
5512899 Method of evaluating the image quality of a synthetic aperture radar Apr. 30, 1996
5495248 Stabilizing method of synthetic aperture radar and position determining method thereof Feb. 27, 1996
5489906 Compression network displaced phase center electronic correlator Feb. 6, 1996

1 2 3 4 5 6

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