针对在经验模态分解(EMD)筛选过程中间断信号引起的模态混叠问题,提出了一种新的解决方法。
Aiming at the mode mixing problem caused by intermittency signal in the sifting process of empirical mode decomposition (EMD), a new solution is presented.
HHT刚提出不久,其理论本身还存在不少问题,如包络线和均值曲线的拟合、边界效应和模态混叠等问题。
HHT has not been put forward for long time, so it contains some theoretical problems, such as envelop and mean curve fit, boundary effect, modes mix and so on.
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.
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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