Stochastic resonance in an over-damped linear oscillator driven by multiplicative quadratic noise

被引：10
|
作者：
Zhang Lu [1 ,2 ]
Zhong Su-Chuan [1 ]
Peng Hao [1 ]
Luo Mao-Kang [1 ]
机构：
[1] Sichuan Univ, Coll Math, Chengdu 610065, Peoples R China
[2] Sci & Technol Elect Informat Control Lab, Chengdu 610036, Peoples R China
来源：
ACTA PHYSICA SINICA | 2012年 / 61卷 / 13期
基金：
中国国家自然科学基金;
关键词：
stochastic resonance; multiplicative noise; quadratic noise; periodic modulated noise; MODULATED NOISE;
D O I：
10.7498/aps.61.130503
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
For an over-damped linear oscillator driven by multiplicative quadratic noise and periodic modulated noise, the exact analytical expressions of the first two moments, the amplitude and variance of the system steady-state response are obtained. We find that this system has richer dynamic behaviors than the traditional linear systems driven by linear noise; when the coefficients of the quadratic noise satisfy certain conditions, both the amplitude and the variance of the system steady-state response present stochastic resonance.
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页数：7
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