其中每一个平稳数据层被称为一个本征模式函数，它们代表了信号不同尺度的特性。
Each of smooth layers is called as intrinsic mode function, which represents the signal characteristics of different scales.
其中每一个平稳数据层被称为一个本征模式函数，它们代表了信号不同尺度的特性。
Each of smooth layers is called as intrinsic mode function, which represents the signal characteristics of different scales.
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