2001•Journal of Chongqing University. English EditionRequires access

Time-frequency Characteristic of Wavelet Base and Its Application Transient Signal Detection

Tan Shan-wen

Abstract

The application of wavelet analysis in fault diagnosis is growing rapidly.There are many different wavelet base to use but no accepted procedure for choosing among them, the analysis results by using them have great difference. This paper describes the significant properties of wavelet base, and analysis behavior of transient signal in wavelet transform, result on some methods for how to choose wavelet base in analysis transient signal.

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Key concepts: Wavelet, Wavelet transform, Transient (computer programming), SIGNAL (programming language), Base (topology), Wavelet packet decomposition, Discrete wavelet transform, Second-generation wavelet transform