Stochastic Resonance in Coupled Array Without Periodic Driving
QIAN Min1 , ZHANG Xue-Juan1,2
1 School of Mathematical Sciences, Peking University,
Beijing 100871
2 Shaoxing College of Arts and Sciences, Shaoxing 312000
Stochastic Resonance in Coupled Array Without Periodic Driving
QIAN Min1 ;ZHANG Xue-Juan1,2
1 School of Mathematical Sciences, Peking University,
Beijing 100871
2 Shaoxing College of Arts and Sciences, Shaoxing 312000
关键词 :
05.40.-a ,
05.45.Xt
Abstract : We manifests a stochastic resonance in a two-dimensional square array of coupled oscillators subjected only to white noise and constant driving forces. The result shows that the coherent output of every single oscillator plays a role of the periodic input to its neighbours. Even without periodic driving, the cooperation of the white noise and the coupling can also result in the array enhanced stochastic resonance effect. In our investigation, global as well as local noise perturbation is taken into account.
Key words :
05.40.-a
05.45.Xt
出版日期: 2002-03-01
:
05.40.-a
(Fluctuation phenomena, random processes, noise, and Brownian motion)
05.45.Xt
(Synchronization; coupled oscillators)
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