Modified cavity model to determine resonant frequency of tunable microstrip ring antenna

被引：3
|
作者：
Gürel, CS [1 ]
Yazgan, E [1 ]
机构：
[1] Hacettepe Univ, Dept Elect & Elect Engn, TR-06532 Ankara, Turkey
来源：
ELECTROMAGNETICS | 1999年 / 19卷 / 05期
关键词：
D O I：
10.1080/02726349908908662
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：
In order to compute the resonant frequency of an air-gap tuned annular-ring microstrip antenna without the accuracy being affected from the air gap width, the cavity model is modified by using a new dynamic permittivity and inner/outer radii extension expressions. A close agreement is obtained between the theoretical and the experimental resonant frequency results for fundamental and higher order modes and for different gap widths.
引用
收藏
页码：443 / 455
页数：13
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