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The Selection of Basis Functions of Wavelet Transform in Signal Analysis

Yan Qiang Zhou Dongmei (Chengdu University of Technology,Chengdu 610059,Sichuan)  
Different wavelet basis has different frequency characteristics.The result of a question will be different with different wavelet basis.Therefore,the application of wavelet analysis on the selection of wavelet basis is critical.This paper details the principle of wavelet transform and chooses the wavelet basis function, depending on the application needs to use the corresponding wavelet basis function.
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