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Stochastic resonance in an asymmetric bistable system with coloured noises and periodic rectangular signal

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  • Zhang, Xiaoyan
  • Xu, Wei

Abstract

In this paper, we consider the phenomenon of stochastic resonance (SR) in an asymmetric bistable system with coloured noises and periodic rectangular signal. Expression of the signal-to-noise ratio (SNR) has been obtained under the adiabatic limit. We investigate the effect of any system parameter (such as p, q, r, τ1, τ2) on the SNR. The plot of SNR–τ1 shows SR for some values of the additive noise self-correlation time τ2, but not for the whole range of τ2. The system bias r suppresses the SNR. When the intensity of additive noise q is increased, the SR phenomenon disappears in the plot of SNR–p, but the plot of SNR–q presents SR for almost all values of the multiplicative noise intensity p.

Suggested Citation

  • Zhang, Xiaoyan & Xu, Wei, 2007. "Stochastic resonance in an asymmetric bistable system with coloured noises and periodic rectangular signal," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 385(1), pages 95-104.
    • Handle: RePEc:eee:phsmap:v:385:y:2007:i:1:p:95-104
    DOI: 10.1016/j.physa.2007.06.041
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    Cited by:

    1. Liu, Jian & Wang, Youguo, 2018. "Performance investigation of stochastic resonance in bistable systems with time-delayed feedback and three types of asymmetries," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 493(C), pages 359-369.

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