小孔耦合在圆形槽波导中的应用

Small Aperture Coupling in the Applications of Circular Groove Waveguide

本文应用电磁场的互易原理以及小孔辐射的工程处理方法 ,分析了不同尺寸圆形槽波导间的小孔耦合情况 ,得到了小孔等效感抗公式 ;然后 ,讨论了圆形槽波导与圆形槽波导腔之间的小孔耦合情形 ;最后 ,进行了数值计算 ,并与实验结果进行了比较 ,二者吻合 ,从而证明了理论分析方法的正确性。

Reciprocity theorem and small aperture's equivalent method are used to analyze the coupling problem between circular groove waveguides, a formula of the aperture's equivalent reactance is obtained; Then the coupling between the circular groove waveguide and circular groove waveguide cavity is discussed; Finally, numerical results are compared with experimental ones. They are in good agreement. It verifies the validity of the analytical method.