Stochastic resonance in a linear system with random damping parameter driven by trichotomous noise

被引：32
|
作者：
Guo, Feng [1 ,2 ]
Li, Heng [1 ]
Liu, Jing [1 ]
机构：
[1] Southwest Univ Sci & Technol, Sch Informat Engn, Mianyang 621010, Peoples R China
[2] Robot Technol Used Special Environm Key Lab Sichu, Mianyang 621000, Peoples R China
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2014年 / 409卷
关键词：
Stochastic resonance; Linear system; Trichotomous noise; Spectral amplification; PHASE-TRANSITIONS; RELAXATION;
D O I：
10.1016/j.physa.2014.04.034
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The stochastic resonance (SR) in a second-order linear system driven by a trichotomous noise and an external periodic signal is investigated. By the use of the properties of the trichotomous noise and the Shapiro-Loginov formula, the exact expression for the output spectral amplification (SPA) of the system is obtained. The non-monotonic influence of the coefficient of the trichotomous noise on the SPA is found. It is shown that the SPA is a non-monotonic function of the amplitude, the correlation rate and the probability of the trichotomous noise. The SPA varies non-monotonically with the frequency of the driving signal, the damping coefficient and the frequency of the linear system. (C) 2014 Elsevier B.V. All rights reserved.
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页码：1 / 7
页数：7
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