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Volume 30 Issue 1
Jan.  2011
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Zhang Ya-bin, Chen Bai-xiao, Zhang Shou-hong, Shang Hai-yan. Interference Suppression for Ship-Based Passive Synthetic Impulse and Aperture Radar[J]. Journal of Electronics & Information Technology, 2008, 30(1): 206-210. doi: 10.3724/SP.J.1146.2006.00842
Citation: Zhang Ya-bin, Chen Bai-xiao, Zhang Shou-hong, Shang Hai-yan. Interference Suppression for Ship-Based Passive Synthetic Impulse and Aperture Radar[J]. Journal of Electronics & Information Technology, 2008, 30(1): 206-210. doi: 10.3724/SP.J.1146.2006.00842

Interference Suppression for Ship-Based Passive Synthetic Impulse and Aperture Radar

doi: 10.3724/SP.J.1146.2006.00842 cstr: 32379.14.SP.J.1146.2006.00842
  • Received Date: 2006-06-13
  • Rev Recd Date: 2006-11-16
  • Publish Date: 2008-01-19
  • Interference statistic characteristics are analyzed in ship-based passive synthetic Impulse and Aperture Radar (SIAR). After estimating covariance matrix at range bin interested using data from some positive and all negative frequency bins with cosine weights, eigen-decomposition is applied to interested data for co-channel interference suppression provided that its power is stronger than target echoes. Meanwhile, improved suppression approach to nonstationary interference from multipath propagation is proposed by forming adaptive STAP in fast-time domain and maintaining slow-time statistical properties of the first order sea clutter output approximately unperturbed by filter fluctuation. Analysis and suppression approach are verified by real data.
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