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2nd New Zealand Two-Stream International Conference on Artificial Neural Networks and Expert Systems (ANNES '95)
Noise-Induced Synchronized Switching in Coupled Bistable Systems
Dunedin, New Zealand
November 20-November 23
ISBN: 0-8186-7174-2
A.R. Bulsara, Naval Command, Control, and Ocean Surveillance Center
M.E. Inchiosa, Naval Command, Control, and Ocean Surveillance Center
J.F. Lindner, Georgia Institute of Technology
B.K. Meadows, Georgia Institute of Technology
W.L. Ditto, Georgia Institute of Technology
We consider a network of bistable dynamic elements with local, linear coupling, subject to noise and a time-periodic signal. The response (quantified by an output signal-to-noise ratio, SNR) of a single element can be substantially enhanced when it is coupled into an array of like elements. In fact we show that noise and coupling cooperate to organize spatio-temporal order across the array, corresponding to an increase in the output SNR of the reference element. The results shed new light on the potentially beneficial role of background noise in nonlinear dynamic devices and networks of neuron-like elements.
Index Terms:
array enhanced stochastic resonance, spatiotemporal stochastic resonance, nonlinear dynamics, neural networks
Citation:
A.R. Bulsara, M.E. Inchiosa, J.F. Lindner, B.K. Meadows, W.L. Ditto, "Noise-Induced Synchronized Switching in Coupled Bistable Systems," annes, pp.10, 2nd New Zealand Two-Stream International Conference on Artificial Neural Networks and Expert Systems (ANNES '95), 1995
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