各向异性导波结构色散特性的边缘元分析

本文应用边缘元方法分析了各向异性导波结构的色散特性，该方法适用于介电常数张量为满阵的情况。求解过程中没有伪解出现。同时导出了一种直接求β的特征值方程。文中给出了各向异性微带线及矩形介质波导的计算结果，与文献值吻合得较好，证实了本文方法的正确性。

Edge-Element Analysis of Dispersion Characteristics of Anisotropic Guided-Wave Structures

Dispersion characteristics of anisotropic guided-wave structures are analyzed by edge-element method in this paper. This approach can be applied to the case in which the permittivity tensor matrix is full, and no spurious solutions appeared in calculation. An eigenvalue equation which can provide direct solution for the propagation constant is also derived. Computed results of anisotropic microstrip line and rectangular dielectric waveguide agree well with data given in the literature, the effectiveness of this method is thus justified.