doubly periodic wave 双周期波
the periodic wave solutions 周期波解
periodic wave-like solution 类周期波解
periodic wave power spectrum 周期波功率频谱
Cosine periodic wave solution 周期函数波解
This paper deals with periodic wave solutions for the Davey-Stewartson equations via the extended mapping method. In the limit cases,the solitary wave solutions and some type of traveling wave solutions for the system are obtained.
本文通过拓展的映射方法研究Davey-Stewartson方程组新的周期波解,并在极限情况下,得到了方程组新的孤波解以及其他形式解。
参考来源 - Davey·2,447,543篇论文数据，部分数据来源于NoteExpress
In addition to amplitude and wavelength, a periodic wave is characterized by its frequency.
除了振幅和波长，周期波有它自己的频率。
Be this kind of relation and its motion, brought about the periodic wave motion of real economy.
正是这种关系及其运动，导致了现实经济的周期性波动。
By the orbit in the phase portraits, different kinds of solitary wave, kink wave and periodic wave solutions are obtained.
通过相图中的各种轨道，获得了孤立波，扭子波和周期波的精确解。
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