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- Title
Two‐stage clutter and interference cancellation method in passive bistatic radar.
- Authors
Gang, Chen; Jun, Wang; Luo, Zuo; Dawei, Zhao; Yuanyuan, Wen
- Abstract
Target echoes are inevitably contaminated by the direct‐path signal, multipath signal and possible interference in passive bistatic radar (PBR). Cancellation performance is deteriorated as the interference signal is irrelevant to the transmitted signal and the target echoes are submerged by in the sidelobe of the spread clutter echoes. In this study, the cancellation problem is addressed, involving clutter and interference. In this method, the spread clutter echoes are cancelled by constructing a tailored clutter subspace. Besides, the interference is also cancelled by constructing a tailored interference subspace. The sample of the interference signal is obtained from the beam channel after clutter cancellation. The performance of the proposed method is first verified by the simulation result. Then its effectiveness is also demonstrated with the application of the real data collected from an experimental PBR system.
- Publication
IET Signal Processing (Wiley-Blackwell), 2020, Vol 14, Issue 6, p342
- ISSN
1751-9675
- Publication type
Article
- DOI
10.1049/iet-spr.2019.0338