Omnidirectional ADE antenna with a GO-shaped main reflector for an arbitrary far-field pattern in the elevation plane

被引：11
作者：
Bergmann, J. R. [1 ]
Moreira, F. J. S. [2 ]
机构：
[1] Pontificia Univ Catolica Rio de Janeiro, Ctr Telecommun Studies, BR-22453900 Rio De Janeiro, Brazil
[2] Univ Fed Minas Gerais, Dept Elect Engn, BR-30161970 Belo Horizonte, MG, Brazil
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2009年 / 3卷 / 07期
关键词：
COVERAGE; DESIGN; BEAM; LMDS;
D O I：
10.1049/iet-map.2008.0171
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 work presents a formulation for shaping the main reflector of a dual-reflector antenna designed to offer an omnidirectional coverage with an arbitrary radiation pattern in the vertical plane. The subreflector is generated by an axis-displaced ellipse and the main reflector is shaped to achieve a prescribed far-field radiation pattern. The shaping procedure is based on geometrical optics (GO) principles. Two distinct far-field ray structures are investigated. The GO-shaping results are validated by an analysis using the accurate method of moments technique.
引用
收藏
页码：1028 / 1035
页数：8
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