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本文敍述了外方内圆同轴线和矩形波导之间矩形槽孔或圆孔耦合的计算理论,利用所得公式,设计了两种单圆孔本征耦合器。实验结果和理论计算有良好的一致性。 单圆孔本征耦合器,由于其耦合度可以计算、结构紧凑和窄频带内良好的性能,特别适用于微波加热系统作监测耦合器。
This paper describes the computational theory of the coupling of rectangular slots and circular holes between the external coaxial and the rectangular waveguide. By using the formulas, two kinds of single-hole intrinsic couplers are designed. Experimental results and theoretical calculations have good consistency. Single-hole intrinsic coupler, because of its coupling degree can be calculated, compact and narrowband good performance, especially suitable for microwave heating system as a monitoring coupler.