内导体偏置对传输线特性阻抗的影响

Analysis of Effect on the Characteristic Impedance of Various Transmission Lines with Offset Inner Conductor

由内导体和空心外导体所组成的同轴传输线是电磁工程中一类重要的传输线。本文提出用边界元分析这类传输线内导体偏置时，对其特性阻抗的影响，获得各种传输线内导体偏置时的特性阻抗数据。这些特性阻抗数据不仅可为各种偏心传输线的准确设计提供理论依据。

The coaxial transmission line,consisting of an inner conductor and a hollow outside conductor,is of great importance to microwave engineering and design.In this paper,the boundary element method(BEM) is presented for calculating the characteristic impedance data of various configurations of transmission lines with offset inner conductor.The accuracy of the impedance data is confirmed by comparing some numerical results reported in the literature. These impedance data not only permit the exact design of various offset configurations of transmission lines, but also provide a known accuracy for manufacturing various coaxial transmission lines.