Low-cost monopulse radial line slot antenna

被引：77
作者：
Sierra-Castañer, M
Sierra-Pérez, M
Vera-Isasa, M
Fernández-Jambrina, JL
机构：
[1] Univ Politecn Madrid, SSR, Dept Signals Syst & Radio Commun, Grp Radiac, E-28040 Madrid, Spain
[2] Univ Vigo, Dept Tecnol Comunicaciones, Vigo 36200, Spain
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2003年 / 51卷 / 02期
关键词：
antenna array; monopulse; radial line; slot antenna;
D O I：
10.1109/TAP.2003.809098
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 authors propose the design of one radial line Slot antenna with two simultaneous beams, one broadside beam and one conical beam. The antenna is a radial line slot antenna (RLSA), with the slots placed on the upper plate in concentric rings. The radiating element is a slot pair, designed for getting left hand circular polarization. The antenna has been designed to work in the range of 13.4 GHz and 14 GHz. Both beams are obtained independently through very simple excitation circuits, realized with microstrip technology. These feeding networks. include a Butler Matrix Network. Comparing both radiation patterns, amplitude and phase, theta and phi angles of arrival direction can be obtained. This monopulse performance can be used to orientate the pencil beam for satellite communication antennas. Measurements for a first prototype are presented to validate the design.
引用
收藏
页码：256 / 263
页数：8
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