SINGLE-LAYER MICROSTRIP REFLECTARRAY WITH DOUBLE ELLIPTICAL RING ELEMENTS FOR BANDWIDTH ENHANCEMENT

被引：8
|
作者：
Li, Yuezhou [1 ]
Biakowski, Marek E. [1 ]
Sayidmarie, Khalil H. [2 ]
Shuley, Nicholas V. [1 ]
机构：
[1] Univ Queensland, Sch Informat Technol & Elect Engn, St Lucia, Qld 4072, Australia
[2] Univ Mosul, Coll Elect Engn, Mosul, Iraq
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2011年 / 53卷 / 05期
基金：
澳大利亚研究理事会;
关键词：
reflectarray; wideband communication; microstrip antenna; conical horn; elliptical element; VARIABLE SIZE; DESIGN;
D O I：
10.1002/mop.25912
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 design of a microstrip reflectarray formed by 81 variable size double elliptical rings illuminated by a conical feed is presented. Because of double resonance, the double elliptical rings provide an increased phasing range of unit cells that exceeds the required minimum of 360 degrees. Printed on a single substrate and supported by a layer of foam and a conducting ground, they also offer a slow phase slope as a function of their size, and thus provide an increased operational bandwidth and a good manufacturing error tolerance. The performance of the designed reflectarray is investigated via full-wave electromagnetic simulations and measurements on the manufactured prototype. The presented results show a wideband performance of the designed reflectarray. (C) 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:1083-1087, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25912
引用
收藏
页码：1083 / 1087
页数：6
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