According to the formula the Finite-Difference Time-Domain technique program for calculating the photonic crystals’transmission characteristic of rectangle and triangle in Fortran has been worked out.
根据所推导的迭代公式,用fortran语言编制了矩形晶格结构和三角形晶格结构的二维周期光子晶体的时域有限差分算法,对二维光子晶体透射特性进行了分析和计算,所获得的计算结果与已有文献中的计算结果相比较基本符合。
参考来源 - 二维光子晶体的FDTD计算The effect of such parameters as dielectric constant, conductivity, thickness of concrete, periodic and diameter of rebar lattice on the reflection and transmission properties of electromagnetic waves in reinforced concrete wall is analyzed.
3.分析了混凝土的相对介电常数、电导率、墙体厚度以及钢筋网的网格周期、钢筋直径等参数对电磁波在钢筋混凝土墙中传输时的反射和透射特性的影响。
参考来源 - 电磁波在钢筋混凝土墙中传输特性的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
分析了由双光纤定向耦合器组成的梳状滤波器的透射特性。
The transmission characteristics of all_fiber filter composed of double fiber directional couplers were studied.
讨论了不同情形下手征参数和介电常数对反射和透射特性的影响。
Effect of chirality and permittivity on the reflection and transmission was discussed.
利用缺陷模的有关参量得到了非对称约束的光子晶体缺陷的透射特性。
The transmission characteristics of the symmetrically confined photonic crystal PC defects had been detailedly investigated.
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