Cross-spectral analysis of signal improvement by stochastic resonance in bistable systems

Robert Mingesz; Peter Makra; Zoltan Gingl

doi:10.1117/12.609421

23 May 2005 Cross-spectral analysis of signal improvement by stochastic resonance in bistable systems (Invited Paper)

Robert Mingesz, Peter Makra, Zoltan Gingl

Author Affiliations +

Proceedings Volume 5845, Noise in Complex Systems and Stochastic Dynamics III; (2005) https://doi.org/10.1117/12.609421
Event: SPIE Third International Symposium on Fluctuations and Noise, 2005, Austin, Texas, United States

Abstract

We consider two bistable systems, the double-well potential and the Schmitt-trigger, and examine whether the stochastic resonance occurring in these systems may produce output signals less noisy than the input. We apply cross-spectrum and cross-correlation based generalised measures to quantify noise content in the input and output, which enables us to use aperiodic or random sequences as input signals. We show that input-output signal improvement occurs even for these types of input.

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Robert Mingesz, Peter Makra, and Zoltan Gingl "Cross-spectral analysis of signal improvement by stochastic resonance in bistable systems (Invited Paper)", Proc. SPIE 5845, Noise in Complex Systems and Stochastic Dynamics III, (23 May 2005); https://doi.org/10.1117/12.609421

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