Stochastic resonance in a stochastic bistable system with additive noises and square-wave signal

被引：5

作者：

Guo Feng ^{[1
]}

Luo Xiang-Dong ^{[1
]}

Li Shao-Fu ^{[1
]}

Zhou Yu-Rong ^{[2
]}

机构：

[1] SW Univ Sci & Technol, Sch Informat Engn, Mianyang 621010, Peoples R China

[2] Panzhihua Univ, Sch Informat & Elect Engn, Panzhihua 617000, Peoples R China

来源：

CHINESE PHYSICS B | 2010年 / 19卷 / 08期

关键词：

stochastic resonance; stochastic bistable system; dichotomous noise; FIELD-DEPENDENCE; POINT-CONTACT; DRIVEN;

D O I：

10.1088/1674-1056/19/8/080502

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

This paper considers the stochastic resonance in a stochastic bistable system driven by a periodic square-wave signal and a static force as well as by additive white noise and dichotomous noise from the viewpoint of signal-to-noise ratio. It finds that the signal-to-noise ratio appears as stochastic resonance behaviour when it is plotted as a function of the noise strength of the white noise and dichotomous noise, as a function of the system parameters, or as a function of the static force. Moreover, the influence of the strength of the stochastic potential force and the correlation rate of the dichotomous noise on the signal-to-noise ratio is investigated.

引用

页数：7

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