Plannar Spiral Antennas Applied on Short-wave Communications

被引：0
|
作者：
Zhang, D. B. [1 ]
Huang, J. -M. [1 ]
Deng, Z. L. [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing 100876, Peoples R China
来源：
2009 5TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-8 | 2009年
关键词：
Plannar spiral antenna; Near vertical incidence sky wave (NVIS); Short-wave communication; impedance match;
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：
When dual-arm planar spiral antenna is fed by the amplitude of a reverse-phase electric current, the right circular polarization is happened along the direction perpendicular to the plane of the antenna and the radiation lobe of the antenna is near vertical incidence. Dual-arm planar spiral antenna is designed and suitable for short-wave communications, especially in communications blackout of the ranges within 0-200km, due to its characteristics of near vertical incidence sky-wave (NVIS). Short-wave communication can be implemented on the range of 0-200km in a very wide frequency band without any interruption, when graded lines are used in the antenna for impedance match.
引用
收藏
页码：2545 / 2548
页数：4
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