Research on application of redundant second generation wavelet transform in denoising - 文章详情页

作者：

Gao, Li-Xin (Gao, Li-Xin.) | Tang, Wen-Liang (Tang, Wen-Liang.) | Xu, Yong-Gang (Xu, Yong-Gang.) | Yin, Hai-Chen (Yin, Hai-Chen.)

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摘要：

In　order　to　improve　the　signal-to-noise　ratio　and　the　effectiveness　of　noise　reduction,　a　redundant　second　generation　wavelet　transform　based　on　interpolation　principle　was　constructed.　This　method　does　not　mesh　in　the　process　of　decomposition,　which　the　approximation　signal　and　the　detail　signal　have　the　same　length　with　the　original　signal,　so　the　amount　of　data　is　doubled　the　original　signal.　Data　redundancy　characteristics　of　the　method　has　a　good　result　of　the　analysis.　Compared　to　the　traditional　wavelet　transform　and　the　second-generation　wavelet　transform,　the　redundancy　of　the　second　generation　wavelet　transform　is　more　effective.

关键词：

Wavelet transforms Mesh generation Redundancy Interpolation Signal to noise ratio

作者机构：

[ 1 ] [Gao, Li-Xin]The Key Laboratory of Advanced Manufacturing Technology, College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China
[ 2 ] [Tang, Wen-Liang]The Key Laboratory of Advanced Manufacturing Technology, College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China
[ 3 ] [Xu, Yong-Gang]The Key Laboratory of Advanced Manufacturing Technology, College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China
[ 4 ] [Yin, Hai-Chen]The Key Laboratory of Advanced Manufacturing Technology, College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China

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