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Noise-induced breakdown of stochastic resonant behavior of van der Pol oscillators coupled by time-varying resistor


Uwate, Y; Nishio, Y; Stoop, R (2009). Noise-induced breakdown of stochastic resonant behavior of van der Pol oscillators coupled by time-varying resistor. In: IEEE International Symposium on Circuits and Systems, 2009 (ISCAS 2009), Taipei, Taiwan, 24 May 2009 - 27 May 2009, 1887-1890.

Abstract

We explore the behavior of two van der Pol oscillators coupled by a stochastically time-varying resistor. We observe switching between in-phase and anti-phase synchronization and analyze the statistics of the switching, with and without additional noise. We find stochastic resonant behavior of synchronization in both regimes. Correlating the two noise sources quickly destroys the stochastic resonance phenomenon in the anti-phase synchronization regime. In the in-phase regime, noise correlation first contributes to the synchronization before removing the resonance by taking over the synchronization by its own means.

We explore the behavior of two van der Pol oscillators coupled by a stochastically time-varying resistor. We observe switching between in-phase and anti-phase synchronization and analyze the statistics of the switching, with and without additional noise. We find stochastic resonant behavior of synchronization in both regimes. Correlating the two noise sources quickly destroys the stochastic resonance phenomenon in the anti-phase synchronization regime. In the in-phase regime, noise correlation first contributes to the synchronization before removing the resonance by taking over the synchronization by its own means.

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Additional indexing

Item Type:Conference or Workshop Item (Speech), refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Neuroinformatics
Dewey Decimal Classification:570 Life sciences; biology
Language:English
Event End Date:27 May 2009
Deposited On:13 Mar 2010 09:52
Last Modified:05 Apr 2016 14:00
ISBN:978-1-4244-3827-3
Additional Information:© 2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Publisher DOI:10.1109/ISCAS.2009.5118148
Related URLs:http://conf.ncku.edu.tw/iscas2009/ (Organisation)
http://ieeexplore.ieee.org (Publisher)
http://www.ini.uzh.ch/node/21681
Permanent URL: http://doi.org/10.5167/uzh-32058

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