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Volume 31 Issue 9
Dec.  2010
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Hu Jie-min, Fu Yao-wen, Hu Zhi-gang, Li Xiang. Spinning-Rate Estimate of Rapidly Spinning Target[J]. Journal of Electronics & Information Technology, 2009, 31(9): 2069-2073. doi: 10.3724/SP.J.1146.2008.01203
Citation: Hu Jie-min, Fu Yao-wen, Hu Zhi-gang, Li Xiang. Spinning-Rate Estimate of Rapidly Spinning Target[J]. Journal of Electronics & Information Technology, 2009, 31(9): 2069-2073. doi: 10.3724/SP.J.1146.2008.01203

Spinning-Rate Estimate of Rapidly Spinning Target

doi: 10.3724/SP.J.1146.2008.01203
  • Received Date: 2008-09-22
  • Rev Recd Date: 2009-06-01
  • Publish Date: 2009-09-19
  • Spinning-rate estimate is the base of rapidly spinning target imaging. A new spinning-rate estimating method is proposed in this paper. Base on the characteristic of rapidly spinning target in the range-time image, a primary estimate using Fourier transform is put forward. And it is refined in specified range by calculating the entropy of the whole image, which is independent of single scatter point. Simulations with synthetic data demonstrate the performance of the new method. The results confirm its effectiveness.
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