RESONANCE-LIKE RESPONSES OF AUTONOMOUS NONLINEAR-SYSTEMS TO WHITE-NOISE

被引：53
作者：
DITZINGER, T
NING, CZ
HU, G
机构：
[1] UNIV ARIZONA, ARIZONA CTR MATH SCI, TUCSON, AZ 85721 USA
[2] PEKING NORMAL UNIV, DEPT PHYS, BEIJING 100875, PEOPLES R CHINA
来源：
PHYSICAL REVIEW E | 1994年 / 50卷 / 05期
关键词：
D O I：
10.1103/PhysRevE.50.3508
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Responses of two models of autonomous nonlinear systems, one bistable and the other monostable in certain parameter regions, to additive white noise are investigated numerically. We show that the additive white noise can induce coherent oscillations, and both autonomous systems show optimum responses, represented by the maximum signal-to-noise ratio of the output for certain noise strengths. This phenomenon is thus termed as stochastic resonance without external periodic force. © 1994 The American Physical Society.
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页码：3508 / 3516
页数：9
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