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Volume 31 Issue 2
Dec.  2010
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Yu Wen-xian, Zhang Zeng-hui, Hu Wei-dong. STAP Method for Space Based Radar Based on Spectrum Registration with Non-Uniformed Frequency Samples[J]. Journal of Electronics & Information Technology, 2009, 31(2): 358-362. doi: 10.3724/SP.J.1146.2007.01244
Citation: Yu Wen-xian, Zhang Zeng-hui, Hu Wei-dong. STAP Method for Space Based Radar Based on Spectrum Registration with Non-Uniformed Frequency Samples[J]. Journal of Electronics & Information Technology, 2009, 31(2): 358-362. doi: 10.3724/SP.J.1146.2007.01244

STAP Method for Space Based Radar Based on Spectrum Registration with Non-Uniformed Frequency Samples

doi: 10.3724/SP.J.1146.2007.01244 cstr: 32379.14.SP.J.1146.2007.01244
  • Received Date: 2007-07-26
  • Rev Recd Date: 2008-05-19
  • Publish Date: 2009-02-19
  • Due to the earths rotation or non-sidelooking radar configuration, the spectrum of Space Based Radar (SBR) clutter varies with the range and shows non-stability. The non-stability of clutter will degrade Space Time Adaptive Processing (STAP) performance significantly and should be compensated. A new spectrum registration based method is proposed which uses non-uniformed discrete frequency sampling points. The mathematical model of the non-uniformed spectrum registration method is built. The choices of these non-uniformed discrete frequency samples and the estimate of clutter covariance matrix after compensation are also studied. Simulations show that the proposed spectrum registration method can compensate the non-stability effectively and achieve approximately optimal performance.
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  • Borsari G K. Mitigating effects on STAP processing causedby an inclined array [A]. Proceedings of the IEEE RadarConference [C]. Piscataway NJ, USA: IEEE, 1998: 135-140.[2]Pearson F and Borsari G K. Simulation and analysis ofadaptive interference suppression for bistatic surveillanceradars [R]. Lexington, USA: MIT Lincoln Laboratory, 2001.[3]Himed B. Effects of bistatic clutter dispersion on STAPsystems [A]. Proceedings of the IEE Radar, Sonar andNavigation [C]. United Kingdom: IEE, 2003: 28-32.[4]Kogon S M and Zatman M A. Bistatic STAP for airborneradar systems [R]. Lexington, USA: MIT Lincoln Laboratory,2001.[5]Chin H L and Mulgrew B. Prediction of inverse covariancematrix (PICM) sequences for STAP [J].IEEE SignalProcessing Letters.2006, 13(4):236-239[6]Lapierre F D, Verly J G, and Van Droogenbroeck M. Newsolutions to the problem of range dependence in bistaticSTAP radars [A]. Proceedings of the IEEE Radar Conference[C]. Piscataway NJ, USA: IEEE, 2003: 452-459.[7]Varadarajan V, and Krolik J L. Joint space-time interpolationfor distorted linear and bistatic array geometries. IEEE Trans.on Signal Processing [J]. 2006, 54(3): 848-860.[8]Pillai S U.[J].Himed B, and Li Ke Yong. Modeling of earthsrotation for space based radar [A]. Conference Record of theThirty-Eighth Asilomar Conference on Signals, Systems andComputers [C]. Piscataway NJ, USA: IEEE.2004,:-[9]保铮, 张玉洪, 廖桂生等. 机载雷达空时二维信号处理[J]. 现代雷达, 1994, 16(1): 38-48.
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