PMID: 15244543Jul 13, 2004Paper

Comparison of aperiodic stochastic resonance in a bistable system realized by adding noise and by tuning system parameters

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
Bohou XuFrançois Chapeau-Blondeau

Abstract

Two methods of realizing aperiodic stochastic resonance (ASR) by adding noise and tuning system parameters in a bistable system, after a scale transformation, can be compared in a real parameter space. In this space, the resonance point of ASR via adding noise denotes the extremum of a line segment, whereas the method of tuning system parameters presents the extrema of a parameter plane. We demonstrate that, in terms of the system performance, the method of tuning system parameters takes the precedence of the approach of adding noise for an adjustable bistable system. Besides, adding noise can be viewed as a specific case of tuning system parameters. Further research shows that the optimal system found by tuning system parameters may be subthreshold or suprathreshold, and the conventional ASR effects might not occur in some suprathreshold optimal systems.

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Citations

Aug 17, 2018·Physical Review. E·Kunaal JoshiP Parmananda
Jan 23, 2020·Physical Review. E·Ishant TiwariM Rivera
Jul 23, 2008·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·V N Chizhevsky, Giovanni Giacomelli
Apr 13, 2021·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·S MorfuP Marquié

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