Coherence Resonance in Noise-Induced Excitable Systems

被引：0
|
作者：
Luo, Zeju [1 ]
Song, Lihong [2 ]
机构：
[1] Chong Qing Technol & Business Univ, Sch Comp Sci & Informat Engn, Chongqing, Peoples R China
[2] Chong Qing Technol & Business Univ, Econom & Management Ctr, Chongqing, Peoples R China
来源：
ICNC 2008: FOURTH INTERNATIONAL CONFERENCE ON NATURAL COMPUTATION, VOL 3, PROCEEDINGS | 2008年
关键词：
FitzHugh-Nagumo model; coherence resonance; stochastic synchronization;
D O I：
10.1109/ICNC.2008.922
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
The noise-induced excitable FitzHugh-Nagumo system is investigated both analytically and numerically. Analysis of three indices: Lyapunov exponent, the density distribution of trajectories and power spectrum, indicates that the noise can induce the system to forward quite regular dynamics, including coherence resonance. Some other new phenomena related to the potential limit cycle(a moderate noise intensity can excite a potential oscillation, and maximize the oscillation amplitude) are also found for the first time.
引用
收藏
页码：564 / +
页数：2
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