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An improved sar/gmti scheme using multiple-port interferometer |
Ye Shaohua; Zhu Zhaoda; Zhu Daiyin |
Dept. of Electron. Eng.,Nanjing Univ. of Aeronaut and Astronaut., Nanjing 210016 China |
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Abstract The principle of multiple-port interferometer SAR/GMTI is analyzed and the in-fluence of various system errors on the capability for suppressing the main lobe clutter is also discussed in this paper, then the modification on the most critical weighting factor of this multiple-port interferometer is proposed. The theoretical analysis and simulation results show that this improved multiple-port interferometer SAR/GMTI scheme is insensitive to system errors or noise and is very robust, therefore it is suitable to be realized in the engineering.
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Received: 12 July 2001
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