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A Novel Approach of Warship Radio Noise Feature Extraction

ZHANG Min1,2,WANG Xiang-jun2,FANG Xing3(1.College of Electronic Science and Engineering,National Univ.of Defense Technology,Changsha 410073,China;2.College of Electronic and Info.Engineering,Naval Univ.of Eng.,Wuhan 430033,China;3.Naval Representative at No.709 Research Inst.,Wuhan 430070,China)  
A novel approach of warship radio noise feature extraction using Dopplerlet transform was proposed in this paper,and decompose flow of Dopplerlet transform was typed.An experimentation of warship radio noise classification was tried out using different feature extraction methods,such as Dopplerlet transform method,wavelet transform method,wave structure method and natural measure method.Experimentation result shows that the warship radio noise feature extraction method using Dopplerlet transform is more effective than other methods.
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