圆形槽波导中径向盘直径对阻抗的影响  

The Influence of Radial Disk Diameter in Circular Groove Guide on Input Impedance

作　　者：纪少卫[1] 杨鸿生[1] 王惠燕[1] 李现霞[1] 姚靖[1] 

机构地区：[1]东南大学电子工程系毫米波国家重点实验室,南京210096

出　　处：《电子器件》2005年第1期44-47,共4页Chinese Journal of Electron Devices

摘　　要：为了设计W波段的圆形槽波导中径向盘结构,采用有限元分析方法和完全匹配层(PML)的概念,对 W波段的圆形槽波中径向盘处于非中心位置时输入阻抗随径向盘直径的变化进行了计算,并给出了变化曲线。在94 GHz时径向盘直么在0.6 mm^0.8 mm范围内输入阻抗最小。计算结果能够为设计W波段圆形槽波导振荡器提供参考。To design the structure of radial disk in circular groove guide, the finite element method and perfectly match layer was applied and the input impedance of radial disk in circular groove guide was calculated and analyzed at W-band when the radial disk was not centered. The variety curves were also given. The input impedance is least when radial disk diameter at 94GHz ranged between 0.6mm and 0.8mm. The results are useful to design oscillator of circular groove guide at W-band.

关 键 词：圆形槽波导 径向盘 有限元法 阻抗 

分 类 号：TM934[电气工程—电力电子与电力传动] O242.21[理学—计算数学]