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Volume 33 Issue 3
Mar.  2011
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Wang Bing-Nan, Zhang Fan, Xiang Mao-Sheng. SAR Raw Signal Fast Algorithm in Mixed Domain[J]. Journal of Electronics & Information Technology, 2011, 33(3): 690-695. doi: 10.3724/SP.J.1146.2010.00555
Citation: Wang Bing-Nan, Zhang Fan, Xiang Mao-Sheng. SAR Raw Signal Fast Algorithm in Mixed Domain[J]. Journal of Electronics & Information Technology, 2011, 33(3): 690-695. doi: 10.3724/SP.J.1146.2010.00555

SAR Raw Signal Fast Algorithm in Mixed Domain

doi: 10.3724/SP.J.1146.2010.00555
  • Received Date: 2010-06-01
  • Rev Recd Date: 2010-10-22
  • Publish Date: 2011-03-19
  • In this paper, a SAR raw signal simulation algorithm is presented in a mixed time-frequency domain. By space-variant system transfer function along range, spectrum of raw signal is calculated precisely in range time domain. Then the complexity and phase precision are both analyzed. The result illustrates that it not only can improve the efficiency of simulation with high precision, but also can easily introduce motion error model in time domain. Finally several simulation experiments for point target and extended scene are provided. The results prove the validity of the proposed algorithm.
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