HARMONIC COMPONENT EXTRACTION FROM A CHAOTIC SIGNAL BASED ON EMPIRICAL MODE DECOMPOSITION METHOD

LI Hong-guang;MENG Guang

doi:10.1007/s10483-006-0210-z

Applied Mathematics and Mechanics >

2006 , Vol. 27 >Issue 2: 221 - 225

DOI: https://doi.org/10.1007/s10483-006-0210-z

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HARMONIC COMPONENT EXTRACTION FROM A CHAOTIC SIGNAL BASED ON EMPIRICAL MODE DECOMPOSITION METHOD

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State Key Laboratory of Vibration, Shock & Noise, Shanghai Jiaotong University, Shanghai 200030, P. R. China

Received date: 2004-02-01

Revised date: 2005-10-25

Online published: 2006-02-18

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Abstract

A novel approach of signal extraction of a harmonic component from a chaotic signal generated by a Duffing oscillator was proposed. Based on empirical mode decomposition (EMD) and concept that any signal is composed of a series of the simple intrinsic modes, the harmonic components were extracted from the chaotic signals. Simulation results show the approach is satisfactory.

Key words： chaotic signal; signal processing; empirical mode decomposition(EMD); Duffing function

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LI Hong-guang;MENG Guang . HARMONIC COMPONENT EXTRACTION FROM A CHAOTIC SIGNAL BASED ON EMPIRICAL MODE DECOMPOSITION METHOD[J]. Applied Mathematics and Mechanics, 2006 , 27(2) : 221 -225 . DOI: 10.1007/s10483-006-0210-z

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