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双色噪声驱动光学双稳系统的弛豫时间研究
Relaxation time for an optical bistable system subjected to cross-correlated color noises
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摘要: 研究乘性及加性噪声的自关联时间T1和T2，交叉关联时间r对光学双稳系统的弛豫时间的影响．弛豫时间T由Mei等所采用的方法得到．经数值计算，结果表明：两噪声间交叉关联时间T及乘性噪声的自关联时间T1延缓系统涨落的消退（T随T及T1的增大而增大）；T随加性噪声的自关联时间T2的增大出现峰值．Abstract: Investigated are the effects of the cross-correlation time T or the self-correlation times T1 and T2 on the relaxation time T of an optical bistable system using the M ei＇s method（ M ei D C, Xie C W, Zhang L 2003 Phys. Rev. E 68 051102）. It is found that the relaxation time T increases with the increase of the cross-correlation time T between the two noises or the self-correlation time T1 of the multiplicative noise, and that a one-peak structure appears on the T - T2 plot. T increases with the increase of correlation intensity A but decreases with the increase of muhiplicative noise intensity Q.
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