A HYBRID COMPUTER-AIDED TUNING METHOD FOR MICROWAVE FILTERS

被引：5
|
作者：
Zhang, Yong Liang [1 ]
Su, Tao [1 ]
Li, Zhi Peng [1 ]
Liang, Chang Hong [1 ]
机构：
[1] Xidian Univ, Key Lab Sci & Technol Antennas & Microwaves, Xian 710071, Shaanxi, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2013年 / 139卷
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
COUPLING MATRIX; BANDPASS FILTER; DUAL-BAND; DESIGN; EXTRACTION; DIAGNOSIS; MODELS; FABRICATION; PARAMETERS; NETWORKS;
D O I：
10.2528/PIER13032903
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A hybrid tuning method for microwave filters is presented in this paper. This novel tuning technique is based on the combination of the Cauchy method and aggressive space mapping (ASM) technique. Cauchy method is applied to determine the characteristic polynomials of the filter's response, then the parameters (coupling matrix) of the low-pass prototype is extracted from the characteristic polynomials. The aggressive space mapping is used to optimized the fine model to guarantee that each step of a tuning is always in the right direction. The validity is verified by two examples. One deals with the four-resonator cross-coupled filter and the other one is an direct coupled six-resonator filter.
引用
收藏
页码：559 / 575
页数：17
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