Title: Extraction of Instantaneous Characteristics of Nonstationary Signal Using Harmonic Wavelet Transforms
Abstract:The instantaneous characteristics of non-stationary signal are analyzed.Then non-stationary signal are transformed by using harmonic wavelet,and the relation between the wavelet coefficient and the in...The instantaneous characteristics of non-stationary signal are analyzed.Then non-stationary signal are transformed by using harmonic wavelet,and the relation between the wavelet coefficient and the instantaneous characteristics of non-stationary sig- nal are introduced.The principle and method of the accurate extraction for the instantaneous characteristics of non -stationary signal by using harmonic wavelet transforms are presented.Examples of application demonstrate that this method presented can effectively extract the instantaneous characteristics of special components in the non-stationary signal and has high precision and good noise resisting ability.This method can realize simple and quick algorithm through Fourier transform,and real-time analysis of instant taneous characteristics of non-stationary signal.Read More
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 4
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