The principle of conservation ofwave action flux is used here for the analysis oftransformationofwave spectrum on sloping beach under the action of current.
本文将波浪作用通量守恒原则应用于缓坡上在水流作用下的波谱变形，并与规则波的计算结果作对比。
2
The steady solution and its stability of Nonlinear Schrdinger Equation (NLSE) are studied by means of traveling wavetransformation 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。
3
In this paper, the symmetries and Lie algebra of a coupled nonlinear wave equation were discussed. One-parameter transformation groups of this equation were obtained by using the symmetries.