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小波能谱分析

于 2020-03-29 发布
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代码说明:

说明:  对信号进行三层变换,得到小波系数d和逼近系数a,得出各频段的能量。(The wavelet coefficient D and approximation coefficient a are obtained by three-level transformation of the signal, and the energy of each frequency band is obtained.)

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