PARAMETER EXTRACTION FOR MICROWAVE COUPLED RESONATOR FILTERS USING RATIONAL MODEL AND OPTIMIZATION | Zendy

Jie Peng | Zendy; Bian Wu | Zendy; Chang-Hong Liang | Zendy; Xuefeng Li | Zendy

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PARAMETER EXTRACTION FOR MICROWAVE COUPLED RESONATOR FILTERS USING RATIONAL MODEL AND OPTIMIZATION

Author(s) -

Jie Peng,

Bian Wu,

Chang-Hong Liang,

Xuefeng Li

Publication year - 2010

Publication title -

progress in electromagnetics research m

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.35

H-Index - 40

ISSN - 1937-8726

DOI - 10.2528/pierm10060804

Subject(s) - microwave , extraction (chemistry) , resonator , computer science , acoustics , electronic engineering , materials science , optoelectronics , telecommunications , physics , chemistry , chromatography , engineering

A method is presented for the parameter extraction of microwave coupled resonator filters. The method is based on the estimation of a rational model of the filters. From these rational functions, a circuit network having the previously know topology is optimized. Two simple and efficient error functions are used to reduce the computational effort of the optimization while improving the speed and robustness of diagnosis process for lossless and lossy filters, respectively. Two numerical examples are presented to demonstrate the efficiency of the proposed technique. One deals with numerical simulation data from a full-wave electromagnetic simulation and the other one uses the measured data.

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