基于BBGKY方程，采用二阶扰动理论探索了可观物理量与扰动波矢的相互关系。
The relationship between physically observable quantities and perturbed wave vector is explored on the basis of BBGKY hierarchy equations and the second order perturbation theory.
在准理想的的色散管理系统中建立了非均匀扰动模型，研究了它们对二阶孤子传输的影响。
Models of periodically inhomogeneous perturbations are made reasonedly in a quasi-ideal dispersion-managed soliton system, their effects on second-order soliton propagation are investigated.
研究了系统固有频率受二值噪声扰动时，调制二值噪声驱动二阶过阻尼线性系统的随机共振现象。
The phenomena of stochastic resonance of an over-damped second-order linear system with modulated dichotomous noise are investigated.
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