BROAD-BAND COMPACT HORN FEED FOR PRIME-FOCUS REFLECTORS

被引：35
|
作者：
YING, Z
KISHK, AA
KILDAL, PS
机构：
[1] Antenna Group, Department of Microwave Technology, Chalmers University of Technology
[2] Department of Electrical Engineering, University of Mississippi
来源：
ELECTRONICS LETTERS | 1995年 / 31卷 / 14期
关键词：
HORN ANTENNAS; ANTENNA FEEDS;
D O I：
10.1049/el:19950782
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 compact flare angle controlled corrugated horn antenna with a 60 degrees half beamwidth is optimised by using a moment method for bodies of revolution. The horn has corrugations with simple rectangular cross-sections and is excited by a smooth wall circular waveguide. The resulting 15dB beamwidth varies by <18% and the crosspolar sidelobe levels are more than 26dB below the mainlobe, both over a 1.8:1 bandwidth. All results are confirmed by measurements, The horn is suited for broadband feeding of e.g. prime-focus reflectors in radio astronomy applications.
引用
收藏
页码：1114 / 1115
页数：2
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