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采用行波解法求解了含三阶色散项的MNLS方程 ,然后对所得结果进行了理论分析 ,并用数值方法作图讨论了三阶色散对孤子幅值、中心位置和相位的影响 .
The traveling wave solution method is used to solve the MNLS equation with the third-order dispersion term. Then the theoretical analysis of the results is made and the influence of the third-order dispersion on the amplitude, center position and phase of the soliton is discussed by numerical method.