2006•Journal of Northwest UniversityRequires access

Realization of one dimension discrete wavelet transform based on Mallat algorithm

Wang Ming-xiang

Abstract

Aim In order to study the characteristic of signal.Methods The progressive extracting of one dimension discrete wavelet transform of signal using Mallat algorithm.Results After the wavelet transform of signal,the smoothing and detail components of it were separated off.Conclusion The signal was analyzed from rough to fine by using Mallat algorithm,the signal was reconstructed by used filters at the same time too.

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Key concepts: Algorithm, Dimension (graph theory), Wavelet, Second-generation wavelet transform, Discrete wavelet transform, Wavelet transform, SIGNAL (programming language), Smoothing