Effect of magnetic layer on the microstrip-excited rectangular dielectric resonator antennas bandwidth

被引：5
|
作者：
Rezaei, P. [1 ]
Hakkak, M. [1 ]
Forooraghi, K. [1 ]
机构：
[1] Tarbiat Modares Univ, Dept Elect Engn, Fac Engn, Tehran, Iran
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2007年 / 21卷 / 07期
关键词：
D O I：
10.1163/156939307780749011
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 rectangular dielectric resonator antenna (DRA) fed by a microstrip line is studied. Field coupling between the feed-line and the DR is one of the main specifications of this structure, especially when an air gap exists in the actual structure. In this paper a thin magnetic layer (mu(r) > 1) between the microstrip and the main body of the DRA is introduced. This layer significantly compensates the undesirable effect of the air gap. Then, the effect of additional layers in coupling improvement, and consequently in bandwidth enhancement, is assessed.
引用
收藏
页码：915 / 927
页数：13
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