Title: Empirical mode decomposition and its application on signal de-noising
Abstract: This paper introduces the 'empirical mode decomposition' method(EMD),list out the basic steps of EMD.with EMD any complicated signal can be decomposed into a finite and often small number of 'intrinsic mode function'(IMF).Since this decomposition method is adaptive,and the decomposition is based on the local characteristic time scale of the data,it is applicable to nonlinear and non-stationary processes.Example is given to demonstrate the advance and efficient of the method.Meanwhile,a new wavelet threshold de-noising method based on EMD is proposed.This method avoids some deficiencies of the traditional de-nosing process.The simulation results show this method has advantage over the traditional wavelet threshold de-noising method.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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