Electronically steered antenna system for the Australian Mobilesat

被引：11
|
作者：
Bialkowski, ME
Jellett, ST
Varnes, RS
机构：
[1] Department of Electrical and Computer Engineering, University of Queensland
来源：
IEE PROCEEDINGS-MICROWAVES ANTENNAS AND PROPAGATION | 1996年 / 143卷 / 04期
关键词：
steered antennas; cylindrical antennas; electronic steering; radial divider/combiner; switching diodes;
D O I：
10.1049/ip-map:19960396
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 paper describes an L-band land-vehicle mobile satellite-communications system which is designed for the Australian continent. A 14-element cylindrical antenna array for use at the vehicle end of the link is presented,The array uses electronic steering in the azimuth to maintain a communications channel to the satellite. It incorporates novel, low-cost antenna elements which feature increased impedance and ellipticity bandwidth. Also included is a novel configuration of a switched radial divider/combiner which allows for the use of low-cost switching diodes. The indoor and outdoor test results for the subsystems and the entire antenna system are presented in the paper.
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页码：347 / 352
页数：6
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