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

页码：1114 / 1115

页数：2

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