The dual-resonance characteristic of coupled bistable system affected by two-frequency signal

被引：8
作者：
Lin Min [1 ]
Fang Li-Min [1 ]
Zhu Ruo-Gu [1 ]
机构：
[1] China Jiliang Univ, Coll Metrol Technol & Engn, Hangzhou 310018, Peoples R China
来源：
ACTA PHYSICA SINICA | 2008年 / 57卷 / 05期
关键词：
coupling system; two-frequency signal; stochastic resonance; dual-resonance;
D O I：
10.7498/aps.57.2638
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Two single bistable systems were constituted into a coupling system by means of nonlinear coupling. One of the bistable systems was considered as controlled system with fixed parameters, and the other as control system with adjustable parameters. Adjusting the coupling coefficients and parameters of the control system can produce stochastic resonance. With a single-frequency signal added to the control system, changing the signal frequency can produce the resonance. Due to the effect of coupling, the resonance of control system will affect the stochastic resonance of the controlled system, and the dual-resonance phenomenon happens in the coupled system, which realizes the usage of one resonance to influence another and make the stochastic resonance of controlled system more intense. This also has been verified using computer simulation.
引用
收藏
页码：2638 / 2642
页数：5
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