基于fr距离优化的有耗滤波器耦合矩阵合成

Adrian Szwaba, T. Kacmajor, J. Michalski
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引用次数: 1

摘要

在优化耦合矩阵合成过程中,提出了一种新的基于区间距离的成本函数定义。这种定义通过直接比较理想调谐滤波器响应(模板)和由优化耦合矩阵得到的滤波器响应,找到了一种相似性。利用本文提出的代价函数对两组不同的散射参数进行了耦合矩阵优化的数值实验,一组是理想的模拟滤波器响应,另一组是物理损耗滤波器的测量,在优化时间、收敛性和精度上都取得了很好的效果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Coupling matrix synthesis for lossy filters by optimization using Fréchet distance
A new cost function definition based on the Fréchet distance used in the process of coupling matrix synthesis by optimization is proposed. Such a definition finds a kind of similarity by direct comparison of an ideal - tuned filter response (template) and filter response obtained from optimized coupling matrix. The numerical experiments of coupling matrix optimizations using proposed cost function for two different sets of scattering parameters, one from ideal simulated filter response and second one as measurement of physical lossy filter, show very good results in sense of optimization time, convergence and accuracy.
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