New time-frequency method of harmonic signal extraction in chaotic secure communication system

New time-frequency method of harmonic signal extraction in chaotic secure communication system

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after the time-frequency character analyses of the chaos,the noise and the harmonic signal,a new two-step extraction method of time-frequency was put forward,aimed to complement each other’s advantages and mutual fusion for wavelet multi-scale decomposition and empirical mode decomposition.The probl...

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Bibliografiske detaljer
Main Authors:	WANG Er-fu, WANG Dong-qing, DING Qun
Format:	Article
Sprog:	zho
Udgivet:	Editorial Department of Journal on Communications 2011-01-01
Serier:	Tongxin xuebao
Fag:	harmonic signal;time-frequency analysis;extraction;chaos
Online adgang:	http://www.joconline.com.cn/thesisDetails?columnId=74417635&Fpath=home&index=0

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