文件名称:li6-3
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给定一信号，用db1对信号分别进行单尺度和三尺度分解，求出各层分解的低频系数和高频系数，并分别对低频信号和高频信号进行重构，-Given a signal, the signal separately with db1-scale and three single-scale decomposition, the decomposition of low-frequency coefficients obtained layers and high-frequency coefficients, respectively, for low-frequency signal and high frequency signal reconstruction,
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li6-3.m