摘要
利用在绝热近似条件下的信噪比(SNR)理论, 研究了具有乘性和加性噪声以及周期信号共同作用下双稳系统的随机共振(SR)现象．考虑噪声之间有关联的情况, 得到了系统的SNR表达式．发现噪声关联使系统的SNR不仅依赖于噪声之间的关联强度, 而且强烈地依赖于系统的初始条件．
The stochastic resonance (SR) phenomenon in a bistable system under the simultan eous action of multiplicative and additive noise and periodic signal is studied by using the theory of signaltonoise ratio (SNR) in the adiabatic limit. Th e expressions of the SNR for the case of correlation between noises are obtain ed. It is found that the SNR is not only dependent on the intensity of correlati ons between noises, but also on the initial condition of the system in the prese nce of correlations between two noises.
出处
《华中师范大学学报（自然科学版）》
CAS
CSCD
北大核心
2000年第4期399-402,407,共5页
Journal of Central China Normal University：Natural Sciences
基金
国家自然科学基金!(19805003)
