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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

Official Date:

2008

Dates:

Date	Event
2008	Published

Volume:

Vol.77

Number:

No.1

Number of Pages:

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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