Delay induced transitions in an asymmetry bistable system and stochastic resonance
Delay induced transitions in an asymmetry bistable system and stochastic resonance
复制标题
不对称双稳态系统中的延迟引起的转变和随机共振
DOI:
10.1007/s11433-010-0157-3
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发表时间:
2010-04
影响因子:
6.4
通讯作者:
Zhou BingChang
中科院分区:
文献类型:
--
作者:
Zhang HuiQing;Xu Wei;Xu Yong;Zhou BingChang
The delay Fokker-Planck equation is given for an asymmetry bistable system with correlated Gaussian white noises. The small delay approximation based on the probability density approach is used and the approximate stationary probability density function is obtained. The phenomenon of delay induced transitions is found. When a weak periodic signal is added, the phenomenon of stochastic resonance is investigated. Expression of the signal-to-noise ratio (SNR) is obtained by using the two-state theory. It is shown that the time delay can suppress or promote the stochastic resonance phenomenon.
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影响因子:
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作者:
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通讯作者:
NICOLIS, C
DOI:
10.1016/j.physa.2008.11.046
发表时间:
2009-03
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