计算机技术与发展Issue(4)：107-109,113,4.DOI:10.3969/j.issn.1673-629X.2014.04.027
基于阈值的Mallat变换法的设计与仿真
Design and Simulation of Mallat Transform Method Based on Threshold
摘要
Abstract
Wavelet analysis has plays a very important role for the signal processing. Mallat wavelet transform method can be better signal processing in the case of the noise frequency range are known,but not eliminate the unknown white noise signal. Introduce SURF thresh-old based on Mallat transform method for wavelet filter processing,which can effectively filter white noise. Improved Mallat transform method is designed based on the SURF threshold,and carry out the denoising experiment under the Matlab environment. Compared the experiment results with a single Mallat wavelet transformation method results,indicate that improved Mallat wavelet transform method can remove a lot of white noise,making the signal smoother.关键词
小波分析/Mallat法/SURF阈值法/信号去噪Key words
wavelet analysis/Mallat method/SURF threshold/signal denoising分类
信息技术与安全科学引用本文复制引用
李圣普,王小辉,时合生..基于阈值的Mallat变换法的设计与仿真[J].计算机技术与发展,2014,(4):107-109,113,4.基金项目
河南省科技计划项目(122102210258) （122102210258）
平顶山学院青年基金项目(20120016) （20120016）
