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The Clutter Suppression Method of Airborne Multi-channel SAR-GMTI System |
Yang Lei Wang Tong Xing Meng-dao Bao Zheng |
Key Lab. of Radar Signal Processing, Xidian University, Xi’an 710071, China |
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Abstract This paper investigates the clutter suppression problem of airborne multi-channel SAR-GMTI system. A key problem for ground moving target indication is clutter suppression, which is sensitive to the correlation of channels. For the multi-channel system, there are differences among the characteristic of two channels and also the antenna patterns, which worse the correlation of channels. This paper proposes a channel equalization method and an adaptive clutter canceling method to improve the clutter suppression ratio. Theoretical results are evaluated and illustrated with experimental airborne SAR data.
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Received: 11 June 2007
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Corresponding Authors:
Yang Lei
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