Application of symmetry planes in finite difference analysis of coupled resonators

M. Wiktor, G. Zawadzki
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Abstract

An efficient technique for calculation resonant frequencies and coupling coefficient of paired resonators using finite difference frequency domain algorithm is presented. Improvement in efficiency is obtained by utilizing symmetry planes, implemented in a new manner. Unlike well known solution, the symmetry planes are defined by modification of the original matrix problem using orthogonal matrix projection. Such a formulation allows, beside substantial reduction in number of variables and efficiency gain, precise alignment of electric and magnetic walls in the mesh.
对称平面在耦合谐振器有限差分分析中的应用
提出了一种利用有限差分频域算法计算谐振腔谐振频率和耦合系数的有效方法。利用对称平面,以一种新的方式实现了效率的提高。与已知的解不同,对称平面是用正交矩阵投影对原矩阵问题进行修正来定义的。这样的配方允许,除了大量减少变量和效率增益,在网格中的电和磁壁的精确对齐。
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