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MATLABchengxu

于 2010-12-23 发布 文件大小:1KB
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  在每一次小波变换中,都提取其中的“逼近信号”作为下次变换的输入,同时忽略掉其中的“细节信号”,即清除一次信号中包含的高频噪声分量。变换后的输出信号与原始信号相比,噪声起伏明显改善。(In every wavelet transform are extracted one of the " approximation signal" as the input of the next change, while ignoring one of the " details of the signal" , that is, a clear signal contains high frequency noise components. Transformed output signal compared with the original signal and noise fluctuations significantly improved.)

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