ZHANG Xuejun, HUO Yan, WAN Dongsheng. Improved EMD Based on Piecewise Cubic Hermite Interpolation and Mirror Extension[J]. Chinese Journal of Electronics, 2020, 29(5): 899-905. doi: 10.1049/cje.2020.08.005
Citation: ZHANG Xuejun, HUO Yan, WAN Dongsheng. Improved EMD Based on Piecewise Cubic Hermite Interpolation and Mirror Extension[J]. Chinese Journal of Electronics, 2020, 29(5): 899-905. doi: 10.1049/cje.2020.08.005

Improved EMD Based on Piecewise Cubic Hermite Interpolation and Mirror Extension

doi: 10.1049/cje.2020.08.005
Funds:  This work is supported by the National Natural Science Foundation of China (No.61271334).
  • Received Date: 2019-10-22
  • Rev Recd Date: 2020-02-18
  • Publish Date: 2020-09-10
  • This paper proposes an improved Empirical mode decomposition (EMD) method piecewise cubic hermite interpolation and mirror extension. Firstly, mirror expansion method is used to expand preliminary signal endpoint; then the piecewise cubic Hermite interpolation algorithm is applied to obtain the envelopes. Finally Intrinsic mode functions (IMFs) are obtained through improved EMD (MPC-HEMD). Through the analysis on simulation signals and Electroencephalogram (EEG) signals, we found that the new method was better than the traditional method.
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