Description: Empirical Mode Decomposition (EMD) is a signal analysis method proposed by the U.S. NASA s Dr. Huang E. It is based on the time-scale features of the data itself to decompose the signal, there is no need to pre-set any function. EMD method in theory can be applied to any type of signal decomposition and therefore non-stationary and nonlinear signal sequence with high signal-to-noise ratio, reflecting a very distinct advantage.
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