Stochastic resonance in a monostable system driven by square-wave signal and dichotomous noise

doi:10.1088/1674-1056/19/8/080504

Abstract This paper investigates the stochastic resonance in a monostable system driven by square-wave signal, asymmetric dichotomous noise as well as by multiplicative and additive white noise. By the use of the properties of the dichotomous noise, it obtains the expressions of the signal-to-noise ratio under the adiabatic approximation condition. It finds that the signal-to-noise ratio is a non-monotonic function of the asymmetry of the dichotomous noise, and which varies non-monotonously with the intensity of the multiplicative and additive noise as well as the system parameters. Moreover, the signal-to-noise ratio depends on the correlation rate and intensity of the dichotomous noise.

Keywords: stochastic resonance monostable system asymmetric dichotomous noise

Received: 23 December 2008
Revised: 24 December 2009
Accepted manuscript online:

PACS:	84.30.Bv	(Circuit theory)
	02.50.Ey	(Stochastic processes)

Fund: Project supported by the Doctorial Foundation of Southwest University of Science and Technology of China (Grant No. 08zx7108).

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Guo Feng(郭锋), Luo Xiang-Dong(罗向东), Li Shao-Fu(李少甫), and Zhou Yu-Rong(周玉荣) Stochastic resonance in a monostable system driven by square-wave signal and dichotomous noise 2010 Chin. Phys. B 19 080504

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Stochastic resonance in a monostable system driven by square-wave signal and dichotomous noise

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