Is the High-Frequency Signal Necessary for the Resonance in the Delayed System?

被引：0

作者：

吕梅蕾 ^{[1
]}

沈刚 ^{[2
]}

王海伦 ^{[1
]}

杨建华 ^{[2
]}

机构：

[1] College of Electrical and Information Engineering,Quzhou University

[2] School of Mechatronic Engineering,China University of Mining and

来源：

Chinese Physics Letters | 2015年 / 32卷 / 01期

关键词：

D O I：

暂无

中图分类号：

TN911.7 [信号处理];

学科分类号：

0711 ; 080401 ; 080402 ;

摘要：

In a delayed system excited by low-frequency and high-frequency signals,the necessity of the high-frequency signal on the resonance is discussed.By adjusting the delay time,the resonance occurs in a wide scope of frequencies,including the primary,subharmonic and superharmonic frequencies.Only for very few cases does the high-frequency signal have a positive effect on the resonance.It is the traditional vibrational resonance phenomenon.In most situations,the high-frequency excitation is unnecessary for the resonance.An appropriate delay,rather than the high-frequency signal,is the key factor in improving the weak low-frequency signal.

引用

页码：19 / 21

页数：3

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