plan wave expansion methed

• 平面波展开法

plan wave expansion methed的用法和样例：

例句

1. The methods employed in studying the wave motion in phononic crystals are based on the plane-wave expansion method and supercell technique.
   本研究以平面波展开法分析二维声子晶体其彻体波与表面声波的波传行为及频沟现象，并针对不同效应在调变声波频沟上作进一步的探讨。
2. Here the plane wave expansion method is adopted for calculating the band structure at each iteration.Then the photonic crystal can be optimized after iterations.
   在迭代的过程中，我们采用平面波展开法计算光子晶体之能带，经多次迭代计算后即可合成最佳化之光子晶体。