wave perturbation

Two parametric four-wave-mixing ( FWM ) processes in Rb atoms are studied separately using perturbation theory.

利用微扰法分别分析了铷原子中两个参量四波混频过程.

The perturbation growth rate, critical wave number and critical number are affected by thermal non-equilibrium effect.

热 非平衡 效应不仅影响扰动增长率, 而且对临界波数和临界雷诺数也有影响.

In the end, we prove the validity of the singular perturbation expansions and get some useful deductions about the existence of the classical solution to the flood wave equations.

最后文章证明了对带松弛项的流波方程初值问题所作的奇异摄动展开的有效性，得出了有关解的存在性的一些有用的推论。

Several typical theoretical researches and experimental investigations in this field, including electron beam-plasma interaction, plasma local perturbation, three-wave interaction, are introduced.

本文着重介绍了几种典型的等离子体微波辐射理论和实验研究现状，包括电子束与等离子体互作用、等离子体局部扰动、三波互作用等。

In this paper, the coupling optical mode amplitude equations under the perturbation of magnetostatic wave ( MSW) have been derived with a new perturbation method;

利用新的微扰方法导出了层状YIG薄膜波导中静磁波微扰下的光模式耦合振幅方程；