Design, Manufacture and Test of a Low-Cost Shaped-Beam Reflectarray Using a Single Layer of Varying-Sized Printed Dipoles

被引：53

作者：

Carrasco, Eduardo ^{[1
]}

Barba, Mariano ^{[1
]}

Encinar, Jose A. ^{[1
]}

Arrebola, Manuel ^{[2
]}

Rossi, Francesco ^{[3
]}

Freni, Angelo ^{[3
]}

机构：

[1] Univ Politecn Madrid, Electromagnetism & Circuit Theory Dept, E-28040 Madrid, Spain

[2] Univ Oviedo, Dept Elect Engn, Oviedo, Spain

[3] Univ Florence, Dept Elect & Telecommun, I-50139 Florence, Italy

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2013年 / 61卷 / 06期

关键词：

Dipole arrays; reflectarrays; shaped-beam antennas; BROAD-BAND;

D O I：

10.1109/TAP.2013.2254431

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 design, manufacture and test of a low-cost reflectarray antenna that provides a sectored-cosecant squared beam. The bandwidth limitation of single-layer reflectarrays is overcome by using three parallel dipoles in each cell. First, the relative length of the three dipoles is chosen to improve the element bandwidth. Then, the dipole dimensions are adjusted to generate a sectored beam in azimuth and cosecant squared in elevation. A prototype has been manufactured and tested. The measured radiation pattern has been compared with the results of approximate and full-wave numerical methods. The influence of the grounded substrate used to fix the antenna structure has also been investigated. Both experimental and simulation results demonstrate the capabilities of the proposed single-layer configuration to provide a shaped-beam on a 10% bandwidth and low losses. This antenna can be a low-cost alternative to multilayer configurations for communication and radar applications.

引用

页码：3077 / 3085

页数：9

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