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Volume 32 Issue 5
May  2010
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Li Jian-yang, Chang Wen-ge, Li Yue-li. The Theory Analysis of False Target in Sub-aperture Algorithm[J]. Journal of Electronics & Information Technology, 2010, 32(5): 1239-1243. doi: 10.3724/SP.J.1146.2009.00565
Citation: Li Jian-yang, Chang Wen-ge, Li Yue-li. The Theory Analysis of False Target in Sub-aperture Algorithm[J]. Journal of Electronics & Information Technology, 2010, 32(5): 1239-1243. doi: 10.3724/SP.J.1146.2009.00565

The Theory Analysis of False Target in Sub-aperture Algorithm

doi: 10.3724/SP.J.1146.2009.00565
  • Received Date: 2009-04-19
  • Rev Recd Date: 2009-12-22
  • Publish Date: 2010-05-19
  • The sub-aperture algorithm has great important role in SAR real-time processing. The algorithm combined the sub-aperture and Nonlinear Chirp Scaling (NCS) algorithm has good performance in real-time processing of UWB SAR. However the ghost or false targets exist in the algorithm based on sub-aperture. In this paper, the reason for ghost or false target existing is theoretically analyzed, furthermore, the method of eliminating the ghost is proposed using zero-padding with sub-aperture data. Finally, the validity is verified with simulation and real UWB SAR data.
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