Stochastic Resonance on a Circle Without Periodic Excitation
QIAN Min, WANG Guan-Xiang
School of Mathematical Science, Peking University, Beijing 100871
Stochastic Resonance on a Circle Without Periodic Excitation
QIAN Min;WANG Guan-Xiang
School of Mathematical Science, Peking University, Beijing 100871
关键词 ：
05.40.+j ,
87.22.Jb
Abstract ： We analyse the appearance of coherent motion in the dynamics of the Langevin equation in the subtle case of I < 1, and show that stochastic resonance does exist even in the non-critical case I < 1. Moreover, we show the monotonicity of the rotation number and discuss the relationship between the center frequency of the power spectrum peak and the rotation number.
Key words ：
05.40.+j
87.22.Jb
出版日期: 2000-04-01
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2000, Vol. 17 
