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Proceedings Paper

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

Paper Details

Date Published: 23 May 2005
PDF: 10 pages
Proc. SPIE 5845, Noise in Complex Systems and Stochastic Dynamics III, (23 May 2005); doi: 10.1117/12.609421
Show Author Affiliations
Robert Mingesz, Univ. of Szeged (Hungary)
Peter Makra, Univ. of Szeged (Hungary)
Zoltan Gingl, Univ. of Szeged (Hungary)


Published in SPIE Proceedings Vol. 5845:
Noise in Complex Systems and Stochastic Dynamics III
Laszlo B. Kish; Katja Lindenberg; Zoltan Gingl, Editor(s)

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