TERRESTRIAL MODE QUADRIFILAR HELIX ANTENNA

被引：3
|
作者：
Amin, M. [1 ]
Yousaf, J. [1 ]
Amin, M. K. [2 ]
机构：
[1] Inst Space Technol, Dept Commun Syst Engn, Islamabad Highway, Islamabad 44000, Pakistan
[2] Univ Town, Natl Inst Management, Peshawar 25120, Pakistan
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2011年 / 27卷
关键词：
D O I：
10.2528/PIERL11081202
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：
In this paper we present a modification to the QHA whereby a gap is introduced at the current minima points at the centre of the helical sections of the QHA. The linear and rotational movement between the two halves of the QHA against each other is optimised to get current distribution, so that when tilted 90, it generates omnidirectional radiation pattern required for land communications in addition to hemispherical radiation pattern for space mode which is obtainable in conventional configuration. This makes it possible to use the single antenna for both terrestrial and satellite communications. The simulated results are validated by experimental measurements.
引用
收藏
页码：179 / 187
页数：9
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