TRANSMISSION-LINE MATRIX MODELING OF DISPERSIVE WIDE-BAND ABSORBING BOUNDARIES WITH TIME-DOMAIN DIAKOPTICS FOR S-PARAMETER EXTRACTION

被引:11
作者
ESWARAPPA
COSTACHE, GI
HOEFER, WJR
机构
[1] Department of Electrical Engineering, University of Ottawa, Ottawa, Ont.
基金
加拿大自然科学与工程研究理事会;
关键词
D O I
10.1109/22.52578
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 numerical modeling procedure based on Johns's time-domain diakoptics approach has been developed for efficient transmission line matrix (TLM) analysis of two-dimensional microwave circuits by introducing space interpolation techniques. Frequency dispersive boundaries are represented in the time domain by their characteristic impulse response or numerical Green's function (Johns matrix). Almost perfect wide-band absorbing boundary conditions have been obtained with this technique, permitting accurate characterization of waveguide discontinuities and components. The application of these techniques saves considerable computer run time and memory when compared with conventional TLM analysis. © 1990 IEEE
引用
收藏
页码:379 / 386
页数:8
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