TY - JOUR
T1 - Stochastic resonance in an asymmetric bistable system with coloured noises and periodic rectangular signal
AU - Zhang, Xiaoyan
AU - Xu, Wei
PY - 2007/11/1
Y1 - 2007/11/1
N2 - In this paper, we consider the phenomenon of stochastic resonance (SR) in an asymmetric bistable system with coloured noises and periodic rectangular signal. Expression of the signal-to-noise ratio (SNR) has been obtained under the adiabatic limit. We investigate the effect of any system parameter (such as p, q, r, τ1, τ2) on the SNR. The plot of SNR-τ1 shows SR for some values of the additive noise self-correlation time τ2, but not for the whole range of τ2. The system bias r suppresses the SNR. When the intensity of additive noise q is increased, the SR phenomenon disappears in the plot of SNR-p, but the plot of SNR-q presents SR for almost all values of the multiplicative noise intensity p.
AB - In this paper, we consider the phenomenon of stochastic resonance (SR) in an asymmetric bistable system with coloured noises and periodic rectangular signal. Expression of the signal-to-noise ratio (SNR) has been obtained under the adiabatic limit. We investigate the effect of any system parameter (such as p, q, r, τ1, τ2) on the SNR. The plot of SNR-τ1 shows SR for some values of the additive noise self-correlation time τ2, but not for the whole range of τ2. The system bias r suppresses the SNR. When the intensity of additive noise q is increased, the SR phenomenon disappears in the plot of SNR-p, but the plot of SNR-q presents SR for almost all values of the multiplicative noise intensity p.
KW - Asymmetric bistable system
KW - Periodic rectangular signal
KW - Stochastic resonance
UR - https://www.scopus.com/pages/publications/34548482971
U2 - 10.1016/j.physa.2007.06.041
DO - 10.1016/j.physa.2007.06.041
M3 - 文章
AN - SCOPUS:34548482971
SN - 0378-4371
VL - 385
SP - 95
EP - 104
JO - Physica A: Statistical Mechanics and its Applications
JF - Physica A: Statistical Mechanics and its Applications
IS - 1
ER -