I tackle the perturbation problem of the nonlinear Schrodinger equation because of its importance.

本人首先用此方法处理了自散焦非线性薛定谔方程的孤子微扰问题.

In my paper, the method is dealt with the nonlinear Schrodinger equation with several perturbation terms.

本文用这种方法处理了自聚焦非线性薛定谔方程的孤子微扰理论.

In this paper, several study methods on PMD are analyzed, such as Jones matrix, Stokes vector and the coupled nonlinear Schrodinger equation.

主要分析讨论了PMD的几种研究方法：琼斯矩阵法、斯托克斯空间法和耦合非线性薛定谔方程。

Based on the nonlinear Schrodinger coupling equation, the impact of higher order dispersion in the photonic crystal fibers on the pulse trapping is studied by numerical simulation.

基于耦合非线性薛定谔方程，通过数值模拟，研究了光子晶体光纤中高阶色散对脉冲俘获的影响。