Evaluation of layered media green's functions via rational function fitting

被引：51
|
作者：
Okhmatovski, VI [1 ]
Cangellaris, AC [1 ]
机构：
[1] Univ Illinois, Dept Elect & Comp Engn, Urbana, IL 61801 USA
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2004年 / 14卷 / 01期
关键词：
Green's function; layered media; Sommerfeld integrals;
D O I：
10.1109/LMWC.2003.821492
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：
An efficient rational function fitting methodology, called VECTFIT, is utilized toward the closed-form evaluation of the Sommerfeld integrals associated with electromagnetic Green's functions in planar layered media. VECTFIT approximates the component of the spectrum of the Green's function that remains after the extraction of the primary source contribution and the quasistatic part with a rational function, thus enabling a robust and expedient closed-form evaluation of the Sommerfeld integral for electromagnetic potentials and associated field quantities.
引用
收藏
页码：22 / 24
页数：3
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