wave plane expansion

We have investigated the guide modes in two kinds of two_dimensional photonic crystal heterostructures by using the plane wave expansion method combined with the supercell technique.

利用平面波展开方法与超原胞方法研究了两种不同晶格的光子晶体异质结的界面态。

An analytical series solution for dynamic stress concentration of lined cavities in a half space under incident plane SV waves was given by using wave function expansion method.

采用波函数展开法给出了半空间中衬砌洞室群在平面SV波入射下动应力集中问题的一个级数解析解。

Sommerfeld's wave expansion theory demonstrates that a spherical wave can be expanded as the superposition of plane simple harmonic waves.

索末菲关于波的展开理论证明，球面波可以展开为平面简谐波的叠加。