Time Delay Induced Stochastic Resonance in One Species Competition Ecosystem without a Periodic Signal

被引：4

作者：

Wang Xiu-Hua ^{[1
]}

Bai Li ^{[1
]}

Zhou Zhong-Rao ^{[1
]}

Nie Lin-Ru ^{[1
]}

Mei Dong-Cheng ^{[2
]}

机构：

[1] Kunming Univ Sci & Technol, Fac Sci, Kunming 650093, Peoples R China

[2] Yunnan Univ, Dept Phys, Kunming 650091, Peoples R China

来源：

COMMUNICATIONS IN THEORETICAL PHYSICS | 2012年 / 57卷 / 04期

关键词：

one-species competition ecosystem; time delay; stochastic resonance; HOPF-BIFURCATION; SYSTEMS; OSCILLATOR; NOISE;

D O I：

10.1088/0253-6102/57/4/17

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

One-species competition ecosystem with noise and time delay was investigated as not driven by a periodic force. The results show that the time delay is responsible for stochastic resonance of the system as delay time is smaller than critical point of the Hopf bifurcation.

引用

页码：619 / 623

页数：5

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