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Volume 31 Issue 7
Dec.  2010
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Zhang Lei, Jing Wei, Xing Meng-dao, Bao Zheng. An Algorithm for Repeated Trajectory Bistatic Spotlight SAR Widefield Imaging[J]. Journal of Electronics & Information Technology, 2009, 31(7): 1679-1683. doi: 10.3724/SP.J.1146.2008.00153
Citation: Zhang Lei, Jing Wei, Xing Meng-dao, Bao Zheng. An Algorithm for Repeated Trajectory Bistatic Spotlight SAR Widefield Imaging[J]. Journal of Electronics & Information Technology, 2009, 31(7): 1679-1683. doi: 10.3724/SP.J.1146.2008.00153

An Algorithm for Repeated Trajectory Bistatic Spotlight SAR Widefield Imaging

doi: 10.3724/SP.J.1146.2008.00153
  • Received Date: 2008-01-29
  • Rev Recd Date: 2009-01-21
  • Publish Date: 2009-07-19
  • Based on the current research on bistatic SAR image, a new algorithm to process data of repeated trajectory bistatic spotlight SAR system is proposed. The algorithm first suppress azimuth aliasing with an azimuth preprocess step, and focus image with traditional wavenumber domain algorithm. It is with high focusing accuracy without distortion involved, by which well focused image over large scene can be obtained. The principal of the azimuth preprocess is also suited to deal with other spotlight SAR mode. And a numeric simulation confirms the validity of the algorithm.
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