...t of nonlinear algebraic equations; soliton solutions [gap=273]关键字：mKdV方程；吴文俊消元法；非线性代数方程组；孤波解 ...
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本文分别对三类非线性耦合方程组求解，得到了系统的孤波解。
In this paper, three classes of coupled nonlinear equations are solved respectively, and we obtain solitary wave solution of systems.
引入双参数变换求出了一个非线性方程的显示孤波解，方法简便，便于应用。
By introducing double parameter transformation, the explicit solitary wave solutions for a nonlinear equation are obtained.
随后，我们利用拟解方法给出飞秒啁啾类孤波解的解析表达式，并讨论该解在光纤系统中的传输特性。
Then, based on the fundamental equation, we present the chirped femtosecond soliton-like solution by ansatz method and discuss the transmission property of the soliton-like solution in optical fiber.
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