Stochastic resonance in a stochastic bistable system subject to additive white noise and dichotomous noise

The stochastic resonance (SR) in a stochastic stable system driven by a static force and a periodic square-wave signal as well as by additive white noise and dichotomous noise is considered from the point of view of the signal-to-noise ratio (SNR). It is found that the SNR exhibits SR behavior when...

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Bibliographic Details
Published in:Physica A 2009-09, Vol.388 (17), p.3371-3376
Main Authors: Guo, Feng, Zhou, Yu-rong
Format: Article
Language:English
Subjects:
Dichotomous noise
Stochastic bistable system
Stochastic resonance
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Summary:The stochastic resonance (SR) in a stochastic stable system driven by a static force and a periodic square-wave signal as well as by additive white noise and dichotomous noise is considered from the point of view of the signal-to-noise ratio (SNR). It is found that the SNR exhibits SR behavior when it is plotted as a function of the noise strength of the white noise and dichotomous noise, as well as when plotted 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 is investigated.
ISSN:0378-4371
1873-2119
DOI:10.1016/j.physa.2009.05.013