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Multi-channel SAR Ground Moving Target Detection Based on Multistage Wiener Filter |
Tian Bin Zhu Dai-yin Wu Di Zhu Zhao-da |
College of Electronics and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China |
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Abstract A novel approach to moving target detection is proposed for multi-channel SAR system. This approach utilizes multistage Wiener filter to suppress clutter. To improve performance of moving target detection in heterogeneous clutter environment, this new approach also combines diagonal loading techniques and non-homogeneity detector. Experimental results on measured SAR data are presented to demonstrate that compared to conventional adaptive SAR/GMTI method, the proposed method shows better clutter suppression capability and moving target detection performance in heterogeneous clutter environment.
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Received: 25 October 2010
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Corresponding Authors:
Tian Bin
E-mail: Tianbin218@163.com
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