Multipath Clutter Rejection Approach Based on Carrier Domain Adaptive Iterative Filter in Passive Bistatic Radar

Zhixin ZHAO; Xinhua ZHOU; Sheng HONG; Tao WENG; Yuhao WANG

doi:10.11999/JEIT180097

Volume 40 Issue 12

Nov. 2018

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Article Navigation > Journal of Electronics & Information Technology > 2018 > 40(12): 2841-2847

Zhixin ZHAO, Xinhua ZHOU, Sheng HONG, Tao WENG, Yuhao WANG. Multipath Clutter Rejection Approach Based on Carrier Domain Adaptive Iterative Filter in Passive Bistatic Radar[J]. Journal of Electronics & Information Technology, 2018, 40(12): 2841-2847. doi: 10.11999/JEIT180097

Citation:

Zhixin ZHAO, Xinhua ZHOU, Sheng HONG, Tao WENG, Yuhao WANG. Multipath Clutter Rejection Approach Based on Carrier Domain Adaptive Iterative Filter in Passive Bistatic Radar[J]. Journal of Electronics & Information Technology, 2018, 40(12): 2841-2847. doi: 10.11999/JEIT180097

Citation:

Zhixin ZHAO, Xinhua ZHOU, Sheng HONG, Tao WENG, Yuhao WANG. Multipath Clutter Rejection Approach Based on Carrier Domain Adaptive Iterative Filter in Passive Bistatic Radar[J]. Journal of Electronics & Information Technology, 2018, 40(12): 2841-2847. doi: 10.11999/JEIT180097

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Multipath Clutter Rejection Approach Based on Carrier Domain Adaptive Iterative Filter in Passive Bistatic Radar

doi: 10.11999/JEIT180097

School of Information Engineering, Nanchang University, Nanchang 330031, China

Funds: The National Natural Science Foundation of China (61461030, 61661032, 61761030), The Natural Science Fund of Jiangxi Province (20161BAB203079, 20161BAB212038)

Received Date: 2018-01-24
Rev Recd Date: 2018-06-01

Available Online: 2018-08-14

Publish Date: 2018-12-01

Abstract

Abstract

In passive bistatic radar systems, there exists the zero and non-zero Doppler shift multipath clutter in the surveillance channel. The multipath clutter affects the target detection. Temporal adaptive iterative filter such as Least Mean Square (LMS), Normalized Least Mean Square (NLMS) and Recursive Least Square (RLS) are often used to reject multipath clutter in passive bistatic radar, but these methods are only applicable to reject zero Doppler shift multipath clutter. To solve the problem of zero and non-zero Doppler shift multipath clutter, combined with the orthogonal frequency division multiplexing waveform features of digital broadcasting television signals, a clutter rejection algorithm is proposed based on carrier domain adaptive iterative filter. The algorithm utilizes the correlation of multipath clutter with the same Doppler shift at the same carrier frequency in subcarrier domain to reject the zero and non-zero Doppler shift multipath clutter. Simulation and experiment data processing results show the superiority of the proposed algorithm.
- Passive bistatic radar,
- Digital broadcasting television signals,
- Multipath clutter rejection,
- Recursive Least Square (RLS) algorithm

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References(17)

References

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