It is found that the resultant nlse can be applied into wdm fiber communication systems conveniently to research and evaluate nonlinear effects on system performances and thus to provide the important theoretical foundation for real system designs 它可直接适用于wdm光纤传输系统的非线性效应的研究，为进一步深入研究光纤非线性效应对wdm系统传输性能的影响提供了的理论基础。
2.
It is found that the resultant nlse can be applied into wdm fiber communication systems conveniently to research and evaluate non1inear effects on system performances ii and thus to provide the important theoretical foundation for real system designs 它可直接适用于wdm光纤传输系统的非线性效应的研究，为进一步深入研究光纤非线性效应对wdm系统传输性能的影响提供了的理论基础。
