Nonlinear and nonstationary time series are decomposed into a series of instrinsic mode functions and a residual trend item by the empirical mode decomposition (EMD).

非线性，非平稳的时间序列经过经验模分解，可以得到一组内模函数和一个基本的趋势项。

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Nonlinear and nonstationary time series are decomposed into a series of instrinsic mode functions and a residual trend item by the empirical mode decomposition (EMD).

非线性，非平稳的时间序列经过经验模分解，可以得到一组内模函数和一个基本的趋势项。

youdao