Fractal boundary circularly polarised single feed microstrip antenna

被引：19
|
作者：
Rao, P. Nageswara [1 ]
Sarma, N. V. S. N. [1 ]
机构：
[1] Natl Inst Technol, Dept Elect & Commun Engn, Warangal, Andhra Pradesh, India
来源：
ELECTRONICS LETTERS | 2008年 / 44卷 / 12期
关键词：
D O I：
10.1049/el:20080706
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 Koch fractal boundary circularly polarised single feed microstrip antenna is presented. The proposed antenna gives very good circular polarisation with axial ratio close to 0 dB at the centre frequency of 2510 MHz, 3 dB axial ratio bandwidth of about 1.6% and impedance bandwidth of 6.2%. It is established that it is easy to obtain circular polarisation using the fractal curve as the boundary. The antenna provides about 6 dB gain over the frequency band of operation.
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页码：713 / U89
页数：2
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