Collision-avoidance radar-system antenna for a smart UAV

被引：1
|
作者：
Lee, HC [1 ]
Kim, IK
Yun, TY
机构：
[1] KARI, Smart UAV Dev Ctr, Taejon 305333, South Korea
[2] KARI, Airship Dept, Taejon 305333, South Korea
[3] Hanyang Univ, Div Elect & Comp Engn, Seoul 133791, South Korea
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2005年 / 44卷 / 06期
关键词：
collision avoidance radar; UAV; horn; parabolic; cassegrain; offset-cassegrain;
D O I：
10.1002/mop.20678
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：
This paper presents the optimization of antennas for the collision-avoidance radar system of an unmanned aerial vehicle (UAV). Geometric, parameters and radiation patterns are compared among horn. parabolic, cassegrain, and offset-cassegrain antennas. Based on the sidelobe levels of the calculated radiation patterns and sizes, the parabolic antenna shows the best results: a sidelobe of less than -30 dB and gain of 3 7 dBi with a focal length of 21.3 cm and a diameter of 26 cm. This research is explored for the first time to the authors' knowledge and the should be useful in the UAV. (C) 2005 Wiley Periodicals, Inc.
引用
收藏
页码：498 / 501
页数：4
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