But if linearly superpose the two fundamental wave solution, it does not have the significance because their background are nonlinear.

但简单的将这两个基波解进行线性迭加是没有意义的，因为它们的背景是非线性的。

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The steady solution and its stability of Nonlinear Schrdinger Equation (NLSE) are studied by means of traveling wave transformation and bifurcation theory.

用行波变换方法和分叉理论研究里非线性薛定谔方程的定常解和定常解的稳定性。

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This paper Studies nonlinear wave equation with dissipation items, reaching an approximate solution in the method of parameter differentiation.

对一类带耗散项非线性波动方程进行了研究，用“参数微分法”，得到其解析近似解。

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