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Volume 31 Issue 4
Dec.  2010
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Gong Qing-yong, Zhu Zhao-da. Study on Clutter Suppression Algorithm for Airborne Radar with Non-sidelooking Arrays[J]. Journal of Electronics & Information Technology, 2009, 31(4): 977-980. doi: 10.3724/SP.J.1146.2007.01826
Citation: Gong Qing-yong, Zhu Zhao-da. Study on Clutter Suppression Algorithm for Airborne Radar with Non-sidelooking Arrays[J]. Journal of Electronics & Information Technology, 2009, 31(4): 977-980. doi: 10.3724/SP.J.1146.2007.01826

Study on Clutter Suppression Algorithm for Airborne Radar with Non-sidelooking Arrays

doi: 10.3724/SP.J.1146.2007.01826
  • Received Date: 2007-11-26
  • Rev Recd Date: 2008-05-11
  • Publish Date: 2009-04-19
  • Since the airborne radar clutter spectrum varies with the range for non-sidelooking arrays, the clutter covariance matrix can not be estimated by the neighboring range cells due to the non-homogenous in range. To resolve the range-dependent clutter non-homogenous problem, especially for the short range cell, an improved Doppler warping algorithm is proposed in this paper, which implemented the space frequency compensation in element-Doppler domain for the Doppler warping compensated data, and results in an improved mainlobe clutter suppression performance. Compared with the original algorithm, the proposed algorithm is also simple and easy to be realized. In addition, it overcomes the performance degradation under big crab angle. Simulation results verify the validity of this method.
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  • Borsari G K. Mitigating effects on STAP processing causedby an inclined array. IEEE Proceedings of National RadarConference. Dallas, USA, IEEE, 1998: 135-140.[2]Kreyenkamp O and Klemm R. Doppler compensation inforward-looking STAP radar. IEE Proc.-Radar, Sonar, Navig.,2001, 148(5): 253-258.[3]Lapierre F, Verly J G, and Droogenbroeck M V. Newmethods for handling the range dependence of the clutterspectrum in non-sidelooking monostatic STAP radars. IEEEProceedings of ICASSP, Hongkong, China, 2003: 73-76.[4]Lapierre F, Verly J G, and Droogenbroeck M V. Newsolutions to the problem of range dependence in bistaticSTAP radars. IEEE National Radar Conference, Huntsville,AL, 5-8 May 2003: 452-459.[5]Lapierre F and Verly J G. Registration-based rangedependencecompensation for bistatic STAP radars.EURASIP Journal on Applied Signal Processing 2005, (1):85-98.[6]Lapierre F and Verly J G. Computationally-efficient rangedependence compensation method for bistatic radar STAP.2005 Int. Radar Conference, Arlington, VA, May 2005:714-719.[7]Zatman M. Circular array STAP[J].IEEE Trans. on Aerospaceand Electronic Systems.2000, 36(2):510-517[8]Jaffer A, Himed B, and Ho P T. Estimation of rangedependentclutter covariance by configuration parameterestimation. Proc. of the IEEE Int. Radar Conf., Arlington,VA, USA, May 2005: 596-601.[9]Jaffer A, Ho P T, and Himed B. Adaptive compensation forconformal array STAP by configuration parameterestimation. Proc. of the IEEE National Radar Conf., Verona,NY, USA, April 2006: 731-736.[10]Nert X, Acheroy M, and Verly J G. Maximum likelihoodrange dependence compensation for STAP[C]. IEEEInternational Conference on Acoustics, Speech and SignalProcessing. Honolulu, Hawaii, USA, April 15-20, 2007, Vol. 2:II-913-II-916.
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