Separating Nonstationary Powerline Interference from ECG Using Empirical Mode Decomposition

Guo Jun Li; Xiao Jie Hao; Hui Zhong; Xiao Na Zhou

doi:10.4028/www.scientific.net/AMM.155-156.736

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 155-156Separating Nonstationary Powerline Interference...

Separating Nonstationary Powerline Interference from ECG Using Empirical Mode Decomposition

Abstract:

Powerline interference (PLI) is a significant source of noise in Electrocardiogram (ECG). It often exhibits variations in frequency and amplitude along with relatively lower level than that of ECG signal in battery-operated ECG system, whose separation remains a challenging task. The use of masking signal-aided empirical mode decomposition is presented to deal with this problem in this study. Simulation results show that our method can effectively decompose the time-varying PLI into a single intrinsic mode function (IMF) at various interference levels.

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Periodical:

Applied Mechanics and Materials (Volumes 155-156)

Pages:

736-740

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.155-156.736

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Online since:

February 2012

Authors:

Guo Jun Li, Xiao Jie Hao, Hui Zhong, Xiao Na Zhou

Keywords:

Electrocardiogram (ECG), Empirical Mode Decomposition (EMD), Intrinsic Mode Function (IMF), Masking Signal, Powerline Interference (PLI)

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References

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