Effect of inertia mass on the stochastic resonance driven by a multiplicative dichotomous noise

被引：0
|
作者：
李鹏 [1 ]
聂林如 [1 ]
黄奇瑞 [1 ]
孙兴修 [1 ]
机构：
[1] Faculty of Science,Kunming University of Science and Technology
来源：
Chinese Physics B | 2012年 / 21卷 / 05期
基金：
中国国家自然科学基金;
关键词：
dichotomous noise; inertial mass; output signal amplitude; signal-to-noise ratio;
D O I：
暂无
中图分类号：
TN911.4 [噪声与干扰];
学科分类号：
081002 ;
摘要：
A stochastic system driven by dichotomous noise and periodic signal is investigated in the under-damped case.The exact expressions of output signal amplitude and signal-to-noise ratio(SNR) of the system are derived.Numerical results indicate that the inertial mass greatly affects the output signal amplitude and the SNR.Regardless of whether the noise is symmetric or asymmetric,the inertial mass can influence the phenomenon of stochastic resonance(SR) of the system,leading to two types of resonance phenomenon:one is coherence-resonance-like of the SNR with inertial mass,the other is the SR of the SNR with noise intensity.
引用
收藏
页码：86 / 91
页数：6
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