| 含关联噪声与时滞项的非对称双稳系统的随机共振 |
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| 引用本文： | 董小娟.含关联噪声与时滞项的非对称双稳系统的随机共振[J].物理学报,2007,56(10):5618-5622. |
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| 作者姓名： | 董小娟 |
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| 作者单位： | 西北工业大学理学院数学系,西安,710072 |
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| 摘 要： | 研究了基于关联噪声的带时滞项的非对称双稳系统的随机共振，在小时滞量及绝热近似理论下得到了信噪比的精确解析表达式，表明由于时滞量的存在系统出现了随机共振.讨论了系统的时滞量、噪声相关系数及系统的非对称性对系统的信噪比的影响.
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| 关 键 词： | 时滞反馈 信噪比 非对称双稳系统 关联噪声 |
| 收稿时间： | 1/2/2007 12:00:00 AM |
| 修稿时间： | 2/1/2007 12:00:00 AM |
Stochastic resonance in an asymmetric bistable system with time-delayed feedback and correlated noises |
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| Dong Xiao-Juan.Stochastic resonance in an asymmetric bistable system with time-delayed feedback and correlated noises[J].Acta Physica Sinica,2007,56(10):5618-5622. |
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| Authors: | Dong Xiao-Juan |
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| Abstract: | In this paper,the phenomenon of stochastic resonance in an asymmetric bistable system with time-delayed feedback and correlated noises is investigated . The explicit expression for signal-to-noise ratio is obtained under the condition of small time delay approximation and adiabatic approximation. The effects of the delay time,the noises correlation and the static asymmetry to the signal-to-noise ratio are discussed. |
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| Keywords: | time-delayed feedback signal-to-noise ratio asymmetrication bistable system correlated noises |
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