Stochastic resonance in coupled oscillator systems with time delay

被引：118

作者：

Kim, S ^{[1
]}

Park, SH ^{[1
]}

Pyo, HB ^{[1
]}

机构：

[1] Telecommun Basic Res Lab, Elect & Telecommun Res Inst, Taejon 305600, South Korea

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.82.1620

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We investigate stochastic resonance in a globally coupled oscillator system with time delay. The system shows multistability of a desynchronized state and two synchronized states with different collective frequencies, which may be interpreted as multistable perception of ambiguous or reversible figures. Under the influence of a weak periodic external signal, the system exhibits a maximum in the signal-to-noise ratio at an optimum noise level-the characteristic signature of stochastic resonance. We also show stochastic resonance between two limit-cycles in the system.

引用

页码：1620 / 1623

页数：4

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