Stochastic resonance in a time-delayed bistable system subject to multiplicative and additive noise

被引：0
|
作者：
郭锋 [1 ]
周玉荣 [2 ]
张宇 [3 ]
机构：
[1] School of Information Engineering,Southwest University of Science and Technology
[2] School of Information and Electric Engineering,Panzhihua University
[3] College of Economics and Management,Southwest University of Science and Technology
来源：
Chinese Physics B | 2010年 / 19卷 / 07期
关键词：
stochastic resonance; time-delayed bistable system; signal-to-noise ratio;
D O I：
暂无
中图分类号：
N93 [非线性科学];
学科分类号：
07 ;
摘要：
This paper investigates the stochastic resonance in a time-delayed bistable system subjected to multiplicative and additive white noise and asymmetric dichotomous noise.Under the adiabatic approximation condition,the expression of the signal-to-noise ratio (SNR) is obtained.It finds that the SNR is a non-monotonic function of the delayed times,of the amplitude of the driving square-wave signal,as well as of the asymmetry of the dichotomous noise.In addition,the SNR varies non-monotonously with the intensities of the multiplicative and additive noise as well as the system parameters.Moreover,the SNR depends non-monotonically on the correlate rate of the dichotomous noise.
引用
收藏
页码：90 / 94
页数：5
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