periodic electromagnetic wave

基本解释

If there are dot or line or plane defects in the periodic dielectric, it will appear frequency bands in which electromagnetic wave can propagate perfectly.
如果在光子禁带中引入缺陷，则在禁带中会出现缺陷态，使得与该缺陷态波长相对应的电磁波可以在其中传播。
In this Dissertation, electromagnetic characteristics, simulation techniques and engineering applications of periodic guided wave structures are mainly investigated.
采用直线法与等效传输线法相结合的方法分析了平面波导结构的色散特性。
Slow-wave systems generally employ periodic structures, and the electromagnetic waves transmitted therein are required to satisfy very complicated boundary conditions.
慢波系统一般采用周期性结构，其中传输的电磁波需要满足十分复杂的边界条件。