Characteristics of a large bandwidth rectangular microstrip-fed inserted triangular patch in a circular slot antenna

被引：0
|
作者：
Jang, YW [1 ]
机构：
[1] Keukdong Coll, Chungbuk, South Korea
来源：
MICROWAVE JOURNAL | 2002年 / 45卷 / 05期
关键词：
D O I：
暂无
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：
The characteristics of a rectangular microstrip-fed triangular patch in a circular slot antenna have been analyzed using the finite-difference time domain (FDTD) method. The impedance and bandwidth of the proposed antenna greatly depend on the design parameters. The normalized radiation resistance values of a triangular patch in a circular slot antenna varies less in the usable frequency band than for a square, or a circular patch. It means that the antenna shows a wider bandwidth than the other types, and although the use of a high relative permittivity (epsilon(r) = 4.3) substrate usually restricts the operating bandwidth, the radiation resistance also has a low value. The measured bandwidth is approximately 96.3 percent for a SWR less than or equal to 2.0.
引用
收藏
页码：288 / +
页数：5
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