A Modified Adaptive Sea Clutter Suppression Algorithm Based on PSNR-HOSVD for Skywave OTHR

Zewen GUAN; Jianwen CHEN; Zheng BAO

doi:10.11999/JEIT180707

Volume 41 Issue 7

Jul. 2019

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Article Navigation > Journal of Electronics & Information Technology > 2019 > 41(7): 1743-1750

Zewen GUAN, Jianwen CHEN, Zheng BAO. A Modified Adaptive Sea Clutter Suppression Algorithm Based on PSNR-HOSVD for Skywave OTHR[J]. Journal of Electronics & Information Technology, 2019, 41(7): 1743-1750. doi: 10.11999/JEIT180707

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Zewen GUAN, Jianwen CHEN, Zheng BAO. A Modified Adaptive Sea Clutter Suppression Algorithm Based on PSNR-HOSVD for Skywave OTHR[J]. Journal of Electronics & Information Technology, 2019, 41(7): 1743-1750. doi: 10.11999/JEIT180707

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A Modified Adaptive Sea Clutter Suppression Algorithm Based on PSNR-HOSVD for Skywave OTHR

doi: 10.11999/JEIT180707

Wuhan Early Warning Academy, Wuhan 430019, China

Funds: The National Natural Science Foundation of China (61471391)

Received Date: 2018-07-16
Rev Recd Date: 2019-01-17

Available Online: 2019-01-31

Publish Date: 2019-07-01

Abstract

Abstract

The detection performance of ship targets by skywave Over-The-Horizon Radar (OTHR) is affected by the sea clutter seriously. Accurate and adaptive suppression of sea clutter is significant for improving the detection performance of ship target. To solve the non-adaptive shortness of the sea clutter suppression algorithm based on High-Order Singular Value Decomposition (HOSVD), a modified adaptive algorithm based on Peak Signal-to-Noise Ratio (PSNR)-HOSVD is proposed by introducing the PSNR. The modified algorithm has a smaller computational complexity than the one based on HOSVD, since only one projection matrix is established from the left singular vectors of the third-mode unfolding matrix. Meanwhile, the modified algorithm has a better performance than the HOSVD based one, because the components of sea clutter are only aggregated in the column space of the third-mode unfolding matrix. Experimental results based on two sets of measured data received in ideal and non-ideal situations in respective show that, the modified adaptive algorithm based on PSNR-HOSVD has a better performance than the peer algorithms.

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References(19)

References

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