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Volume 32 Issue 10
Dec.  2010
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Qi Wei-Kong, Yu Wei-Dong. Research on Ground Moving Target Indication for Spaceborne MIMO-SAR of Multiple Carrier-frequencies[J]. Journal of Electronics & Information Technology, 2010, 32(10): 2365-2370. doi: 10.3724/SP.J.1146.2009.01343
Citation: Qi Wei-Kong, Yu Wei-Dong. Research on Ground Moving Target Indication for Spaceborne MIMO-SAR of Multiple Carrier-frequencies[J]. Journal of Electronics & Information Technology, 2010, 32(10): 2365-2370. doi: 10.3724/SP.J.1146.2009.01343

Research on Ground Moving Target Indication for Spaceborne MIMO-SAR of Multiple Carrier-frequencies

doi: 10.3724/SP.J.1146.2009.01343
  • Received Date: 2009-10-15
  • Rev Recd Date: 2010-04-23
  • Publish Date: 2010-10-19
  • Ground moving target indication for multiple carrier-frequencies spaceborne MIMO-SAR system is explored in this paper. According to the characteristics of multiple carrier-frequencies spaceborne MIMO-SAR, Space Frequency Adaptive Processing (SFAP) algorithm based on eigenspace projection is employed for suppressing clutter, and then the Double-Threshold Constant False Alarm Rate (DT-CFAR) is proposed for detecting moving targets. DT-CFAR, firstly, uses TM-CFAR to detect moving targets after the clutter corresponding to different carrier-frequencies is suppressed by SFAP, and then the detected result is through accumulating multiple pulses detector to improve detection probability and decrease false probability. Simulation results prove, farther, the validity and great performance of multiple carrier-frequencies spaceborne MIMO-SAR system for ground moving target indication.
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