The wavelet transform has remarkable advantages and wide applications in denoising because of its characteristic of good time-frequency. Based on the analysis of traditional wavelet denoising methods, which are based on Fourier transform, an improved method is proposed. It overcomes the shortcomings of the traditional Fourier denoising method. In this paper, the denoising procedures are introduced respectively based on the wavelet transform and the method of connecting the wavelet threshold with the wavelet...
【英文摘要】
The wavelet transform has remarkable advantages and wide applications in denoising because of its characteristic of good time-frequency. Based on the analysis of traditional wavelet denoising methods, which are based on Fourier transform, an improved method is proposed. It overcomes the shortcomings of the traditional Fourier denoising method. In this paper, the denoising procedures are introduced respectively based on the wavelet transform and the method of connecting the wavelet threshold with the wavelet...
【基金】
National Natural Science Foundation of China(60602036)
【更新日期】
2010-05-31
【分类号】
TP391.41
【正文快照】
1 Introduction Along with the in-depth study of wavelet theory in recent years ,its applications are becoming widerand wider ; moreover ,signal denoising and reconstruction based on the wavelet transform have al waysbeen a hot topic .Inthe traditional Fou
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