Vibrational Resonance in an Overdamped System with a Sextic Double-Well Potential

被引：12
|
作者：
Wang Can-Jun [1 ]
机构：
[1] Baoji Univ Arts & Sci, Nonlinear Res Inst, Baoji 721007, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2011年 / 28卷 / 09期
基金：
中国国家自然科学基金;
关键词：
2-FREQUENCY; EXCITATION;
D O I：
10.1088/0256-307X/28/9/090504
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The phenomenon of vibrational resonance (VR) in an overdamped system with a sextic double-well potential under the excitation of two different periodic signals is investigated. The approximate analytical expression of the resonance amplitude.. at the low-frequency omega is obtained. The VR is observed, and the values of.. (the amplitude of the high-frequency signal) and Omega (the frequency of the high-frequency signal) at which VR occurs are determined. Moreover, the relationship between B and Omega is revealed. The theoretical predictions are found to be in good agreement with the numerical results.
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页数：4
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