Performance of Ordered Statistic CFAR Detector Under Log-normal Distributed Clutter

Hu Wen-lin; Wang Yong-liang; Wang Shou-yong

doi:10.3724/SP.J.1146.2005.01584

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Article Navigation > Journal of Electronics & Information Technology > 2007 > 29(3): 517-520

Hu Wen-lin, Wang Yong-liang, Wang Shou-yong. Performance of Ordered Statistic CFAR Detector Under Log-normal Distributed Clutter[J]. Journal of Electronics & Information Technology, 2007, 29(3): 517-520. doi: 10.3724/SP.J.1146.2005.01584

Citation:

Hu Wen-lin, Wang Yong-liang, Wang Shou-yong. Performance of Ordered Statistic CFAR Detector Under Log-normal Distributed Clutter[J]. Journal of Electronics & Information Technology, 2007, 29(3): 517-520. doi: 10.3724/SP.J.1146.2005.01584

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Performance of Ordered Statistic CFAR Detector Under Log-normal Distributed Clutter

doi: 10.3724/SP.J.1146.2005.01584

Received Date: 2005-12-08
Rev Recd Date: 2006-09-18
Publish Date: 2007-03-19

Abstract

Abstract

The property that the ordered statistics CFAR(OS-CFAR) detector can obtain constant false alarm rate under homogeneous Log-normal distributed clutter background is proved in this paper, when the shape parameter of probability density function is known. Both the detection performance expressions with non-fluctuating target and the ADT (average decision threshold) expressions of the OS-CFAR detector are derived. Finally, the optimal order value and the signal-clutter-ratio losses compared with ideal CFAR of the OS-CFAR detector are discussed by numerical method when the number of reference cells is taken different values.

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References(1)

References

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