讨论了由于间歇信号嵌入导致经验模式分解结果出现模态混叠的现象，指出极值点序列幅值突变是产生模态混叠的根本原因。
The reason to mode mixing in the result of empirical mode decomposition is discussed in respect of the variation of extremum series.
讨论了由于间歇信号嵌入导致经验模式分解结果出现模态混叠的现象，指出极值点序列幅值突变是产生模态混叠的根本原因。
Aiming at the mode mixing problem caused by intermittency signal in the sifting process of empirical mode decomposition (EMD), a new solution is presented.
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