Frequency-sensitive stochastic resonance in periodically forced and globally coupled systems

Xiao, Jinghua; Hu, Gang; Liu, H.; Zhang, Y.

doi:10.1007/s100510050425

Cited by 5 publications

(2 citation statements)

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“…[16][17][18][19][20][21][22][23][25][26][27][28][29][31][32][33][34] In spatially extended systems this enhancement is connected with the maximum spatiotemporal synchronization. [27][28][29] From our work it follows that even if there is a certain phase shift between the signals at inputs of different elements SR can still be enhanced due to proper coupling.…”

Section: Discussionmentioning

confidence: 99%

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Stochastic Resonance in Coupled Threshold Elements With Input Signals Shifted in Phase

Krawiecki

Sukiennicki

Kosiński

2000

Int. J. Mod. Phys. B

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Stochastic resonance in a system of two coupled threshold elements (neurons) forming a small artificial neural network is investigated. The elements have either antisymmetric or logistic (binary) response function and are driven by periodic signals and independent noises. Periodic signals at their inputs have equal amplitudes and frequencies but are shifted in phase. Depending on the response function and the phase shift, enhancement of stochastic resonance in individual elements, characterized by the output signal-tonoise ratio, and stochastic resonance with a spatiotemporal input signal, characterized by the correlation function between the input and output signals, are observed for proper coupling between elements. 837 Int. J. Mod. Phys. B 2000.14:837-852. Downloaded from www.worldscientific.com by UNIVERSITY OF CALIFORNIA @ SAN DIEGO on 02/03/15. For personal use only.

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Section: Discussionmentioning

confidence: 99%

“…Such models include e.g. arrays of globally or locally coupled bistable [16][17][18][19] and threshold 20 elements, networks of model biological neurons, 21-24 excitable systems, 25,26 spatially extended systems, [27][28][29][30][31] the Ising model [32][33][34][35] etc.…”

Section: Introductionmentioning

confidence: 99%