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《Journal of Anhui Institute of Mechanical and Electrical Engineering》 2001-04
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Study on translation invariant wavelet denoising method

WEN Li,LIU Zhen-shi (Sch.of Mech.&Auto.Engn.,Hefei Uni versity of Technology,Hefei 230009,China)  
In wavelet denoising methods,the mo st popularly used one is nonlinear wa velet transform thresholding method proposed by Don oho.But in some cases,such as in the n eighborhood of dis-continuities of signal,using thresholding denoising methods may exhib it psuedo -Gibbs phenomena.Translation Invariant wavelet denoising is an improvement based on thre sholding denoising method.It can not only supress psuedo -Gibbs phenomena,but also diminish RSME between original signal and estimated signal.Simulated exp eriment shows that this method is better than thresholding de-noising method.
【Fund】: 安徽省自然科学基金项目(00043310)
【CateGory Index】: TP14
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