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 Technology
来源：
Chinese Physics Letters | 2015年 / 01期
基金：
中国国家自然科学基金;
关键词：
Is the High-Frequency Signal Necessary for the Resonance in the Delayed System;
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
收藏
页码：19 / 21
页数：3
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