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Fast frequency sweep based on the model order reduction technique for calculating scattering parameters in FDFD

机译:基于模型降阶技术的快速扫频计算FDFD中的散射参数

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The paper presents an improved, efficient method of the frequency sweep for the Finite Difference in Frequency Domain scheme. The number of equations describing the entire analyzed structure is reduced with the Model Order Reduction technique and then diagonalized. Time-expensive inversion of large matrices for each frequency point is substituted by a simple multiplication of a small, diagonal matrix by a vector. The presented fast frequency sweep can also be used for the FDFD containing macromodels.
机译:本文针对频域有限差分方案,提出了一种改进的,高效的频率扫描方法。使用“模型阶数减少”技术减少描述整个分析结构的方程式的数量,然后将其对角线化。对于每个频点,大型矩阵的耗时的求逆被一个小的对角矩阵乘以一个向量的简单替换所替代。提出的快速扫频也可以用于包含FDFD的宏模型。

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