HARMONIC COMPONENT EXTRACTION FROM A CHAOTIC SIGNAL BASED ON EMPIRICAL MODE DECO

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

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.

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作 者: LI Hong-guang MENG Guang  
作者单位:State Key Laboratory of Vibration, Shock & Noise, Shanghai Jiaotong University,Shanghai 200030, P. R. China 
刊 名:应用数学和力学(英文版)  EI SCI
英文刊名:APPLIED MATHEMATICS AND MECHANICS(ENGLISH EDITION) 
年,卷(期):2006 27(2) 
分类号:TN911.6 
关键词:chaotic signal   signal processing   empirical mode decomposition(EMD)   Duffing function  
机标关键词:DECOMPOSITION METHODempirical mode decompositionharmonic componentDuffing oscillatornovel approachchaotic signal 
基金项目:中国科学院资助项目 
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