Analytical and Full-Wave Analysis of Square and Ring Patch Structures for Reflectarray Unit Cells

被引：0
|
作者：
Vourch, Clement J. [1 ]
Drysdale, Timothy D. [1 ]
机构：
[1] Univ Glasgow, Sch Engn, Elect & Nanoscale Engn Div, Glasgow G12 8LT, Lanark, Scotland
来源：
2014 8TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) | 2014年
关键词：
reflectarray antenna; unit cell; ring resonator; rectangular patch; resonant frequency; reflection coefficient; CLOSED-FORM EXPRESSIONS; MICROSTRIP; ANTENNAS;
D O I：
暂无
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：
A theoretical analysis of a square structure, and a ring structure, for use in reflectarray antenna unit cells is presented. We calculate the complex reflection coefficient from the coupling between an incoming wave and the resonant modes of the studied structure. To obtain a more accurate model for both structures, we account for the ratio of resonator to cell size, fringing fields and high frequency effective permittivity. Full-wave simulation using periodic boundary conditions is used to compare the simulation results with the analytical model. The model shows a good agreement for the phase versus patch dimension over a greater range of thickness and dielectric permittivity than previous models. A prototype reflectarray antenna, using these structures, is currently being fabricated.
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页码：1925 / +
页数：5
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