The Control of Stochastic Resonance by Harmonic Signal

Abstract:

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The symmetry in a double-well potential of bistable systems subject to the action of a harmonic signal is broken. By variation of the amplitude of a harmonic signal, the asymmetry of bistable systems can be effectively controlled, the transitions probability between the two potential wells is increased and has influence on the effect of stochastic resonance in bistable systems. Numerical simulations show that adjusting the amplitude of a harmonic signal can produce stochastic resonance or make stochastic resonance more intense in bistable systems. It is a new method for stochastic resonance control.

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Periodical:

Edited by:

Shaobo Zhong, Yimin Cheng and Xilong Qu

Pages:

559-563

DOI:

10.4028/www.scientific.net/AMM.50-51.559

Citation:

M. L. Zhang and M. Lin, "The Control of Stochastic Resonance by Harmonic Signal", Applied Mechanics and Materials, Vols. 50-51, pp. 559-563, 2011

Online since:

February 2011

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$35.00

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