微带波导过渡接头的谱域线积分法分析

Analysis of Microstrip－Waveguide Transition by Line Integral Method in Spectral Domain

本文从分析和设计两个方面分别对E-面耦合和H-面耦合微带被导过渡接头进行了研究。在分析中，首先应用反应的概念得到输入阻抗的谱域表达式，对谱域积分分别用留数法和变换路径积分法进行计算，经比较发现交换路径积分法是一个更加有效的方法。在分析的基础上我们用遗传算法对微带波导过渡进行了优化设计，计算结果和实验结果吻合较好。

In this paper, E-plane coupled and H-plane coupled microstrip-waveguidetransitions are analyzed and designed. In the process of analysis, the concept of reaction is used toobtain the input impedance in the spectral domain, the spectral integral is calculated by the residuemethod and the integral method through deformed path, and the latter is more effective. Based onthe analysis, the genetic algorithm is used to design the transition, the results calculated are inreasonable agreement with the experimental ones.