Stochastic Resonance on a Circle Without Periodic Excitation

• 来源期刊: 中国物理快报（英文版）
• 年，卷（期）: 2000,（4）
• 所属期刊栏目: General
• 页码范围: 249-251
• 页数: 3页
• 语种: 英文

摘要

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