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Array enhancement of stochastic synchronization and signal-to-noise ratio gain in the nonlinear regime of signal transmission

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Khovanov, I. A.. (2008) Array enhancement of stochastic synchronization and signal-to-noise ratio gain in the nonlinear regime of signal transmission. Physical Review E (Statistical, Nonlinear, and Soft Matter Physics), Vol.77 (No.1). Article: 011124. ISSN 1539-3755

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Official URL: http://dx.doi.org/10.1103/PhysRevE.77.011124

Abstract

The nonlinear transformation of an external noisy signal by an array of non-interacting elements with internal noise is considered. The array simulates a neuronal system that processes spike trains. It is shown that increasing the number of array elements entails significant extending of the stochastic synchronization region and improvement of the signal-to-noise ratio (SNR). The effects are demonstrated for arrays of triggers, overdamped bistable oscillators and Fitzhugh-Nagumo systems. The interrelation between SNR improvement and the efficiency of information processing is discussed.

Item Type:	Journal Article
Subjects:	Q Science > QA Mathematics T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH):	Signal processing, Nonlinear theories, Noise
Journal or Publication Title:	Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)
Publisher:	American Physical Society
ISSN:	1539-3755
Date:	2008
Volume:	Vol.77
Number:	No.1
Number of Pages:	7
Page Range:	Article: 011124
Identification Number:	10.1103/PhysRevE.77.011124
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	Engineering and Physical Sciences Research Council (EPSRC), Alexander von Humboldt-Stiftung (AvHS)
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URI:	http://wrap.warwick.ac.uk/id/eprint/40480