ALPES:: A low profile electronically steered antenna for MobileSat® applications

被引：0
|
作者：
Ashoka, H [1 ]
de Jager, D [1 ]
Logan, J [1 ]
机构：
[1] MITEC Ltd, Brisbane, Qld 4073, Australia
来源：
1997 ASIA-PACIFIC MICROWAVE CONFERENCE PROCEEDINGS, VOLS I-III | 1997年
关键词：
D O I：
暂无
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：
An electronically steered phased array antenna for L-band mobile satellite communications applications using the Optus MobileSat(R) system is described. The antenna uses circularly polarised microstrip radiating elements in a conical arrangement with a profile only 120mm in height including the radome. A closed loop tracking system based on the received RF signal strength and an open loop tracking system based on a gyroscope for beam steering during shadow conditions are incorporated within the antenna. The antenna has been designed and tested to operate in tough environmental conditions as encountered when mounted on road and track vehicles.
引用
收藏
页码：637 / 640
页数：4
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