Resonancelike responses of autonomous nonlinear systems to white noise

T. Ditzinger, C. Z. Ning, G. Hu

Research output: Contribution to journalArticlepeer-review

54 Scopus citations


Responses of two models of autonomous nonlinear systems, one bistable and the other monostable in certain parameter regions, to additive white noise are investigated numerically. We show that the additive white noise can induce coherent oscillations, and both autonomous systems show optimum responses, represented by the maximum signal-to-noise ratio of the output for certain noise strengths. This phenomenon is thus termed as stochastic resonance without external periodic force.

Original languageEnglish (US)
Pages (from-to)3508-3516
Number of pages9
JournalPhysical Review E
Issue number5
StatePublished - 1994
Externally publishedYes

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics


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