The cutoff wavelength of the rectangular coaxial waveguide in the coupling region is calculated by boundary element method.
其耦合区为矩形同轴波导。 文中用边界元素法对矩形同轴波导的截止波长进行了计算。
The field distribution and the coupling loss of the leaky coaxial cable are studied by using the dyadic Green's function of second kind in the cylindrical coordinate.
利用圆柱坐标系中的第二类并矢格林函数求解了漏泄同轴电缆附近的场分布，并进而求解了漏泄同轴电缆的耦合损耗。
The expression of retroooupling coefficient of fiber-GRIN rod-reflector in coaxial coupling is derived by ray-matrix method.
用光线矩阵方法推导了光纤-自聚焦棒-反射器在共轴耦合情况下的后向耦合系数；
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