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International Symposium on Information Engineering and Electronic Commerce, 3rd (IEEC 2011)

Editor
C. B. Povloviq
C. B. Povloviq
National Technical University of Ukraine
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C. W. Lu
C. W. Lu
Huangshi Institute of Technology
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ISBN:
9780791859759
No. of Pages:
562
Publisher:
ASME Press
Publication date:
2011

Mirror-frequency interference suppression of main-lobe clutter is of importance in PD(pulse Doppler)-radar guided missile with low-attitude down-attacking application. This paper presents a new method of main lobe mirror-frequency interference suppression based on main-lobe clutter velocity estimation and compensation of phase error between IQ channel. Theoretical analysis and simulation result show that the method has advantages of low computation and effectively suppressing the mirror-frequency components of main-lobe clutter while preserving the target frequency components that may exist in mirror-frequency area.

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