PMID: 15244780Jul 13, 2004Paper

Nonlinear stochastic resonance with subthreshold rectangular pulses

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
Jesús Casado-PascualManuel Morillo

Abstract

We analyze the phenomenon of nonlinear stochastic resonance (SR) in noisy bistable systems driven by pulsed time periodic forces. The driving force contains, within each period, two pulses of equal constant amplitude and duration but opposite signs. Each pulse starts every half period and its duration is varied. For subthreshold amplitudes, we study the dependence of the output signal-to-noise ratio and the SR gain on the noise strength and the relative duration of the pulses. We find that the SR gains can reach values larger than unity, with maximum values showing a nonmonotonic dependence on the duration of the pulses.

References

May 1, 1989·Physical Review A: General Physics·B McNamara, K Wiesenfeld
Dec 15, 1991·Physical Review. a·P Jung, P Hänggi
Feb 1, 1995·Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics·M Morillo, J Gómez-Ordóñez
Dec 2, 2000·Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics·P HanggiA R Bulsara
Apr 17, 2001·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·R N MantegnaM Trapanese
Apr 12, 2003·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Jesús Casado-PascualPeter Hänggi
Dec 20, 2003·Physical Review Letters·Jesús Casado-PascualPeter Hänggi
Feb 3, 2004·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Jesús Casado-PascualPeter Hänggi

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Citations

Jul 23, 2005·Chaos·Jesús Casado-PascualManuel Morillo
Feb 9, 2005·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Jesús Casado-PascualPeter Hänggi
Aug 7, 2007·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·David CuberoManuel Morillo

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