DESIGN OF A COMPACT BROADBAND DOUBLE-RIDGED HORN ANTENNA

被引：10
|
作者：
Liu, Y. [1 ]
Gong, S. [1 ]
机构：
[1] Xidian Univ, Natl Lab Antennas & Microwave Technol, Xian 710071, Shaanxi, Peoples R China
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2010年 / 24卷 / 5-6期
基金：
中国国家自然科学基金;
关键词：
VIVALDI ANTENNA;
D O I：
10.1163/156939310791036449
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 novel compact broadband double-ridged horn antenna is proposed, which is used in see-through-wall radar system. To cover the low frequency band with relatively small size, the ridge is specially designed to form an irregular cavity. The profile function of the ridges is optimized to realize compact size and wide working frequency band. The irregular cavity increases cavity length to improve the working performance of low frequency. Proposed antenna occupies just half of the length of conventional horn antenna with the same frequency band. Antenna prototype is fabricated and tested, which proves its performance. The VSWR in the whole frequency band from 800 MHz to 6 GHz is below 2.5 with average gain larger than 8 dBi. Reduction in the size of the antenna reduces the weight and cost, which is its advantage.
引用
收藏
页码：765 / 774
页数：10
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