Frequency Selective Surfaces and Their Applications for Nimble-Radiation Pattern Antennas

被引：43

作者：

Jazi, Mahmoud Niroo ^{[1
]}

Denidni, Tayeb A. ^{[1
]}

机构：

[1] Univ Quebec, INRS EMT, Montreal, PQ H5A 1K6, Canada

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2010年 / 58卷 / 07期

关键词：

Active frequency selective surfaces; agile-radiation pattern; DC-feed loading effect; PIN-Diodes; reconfigurable antennas; IMPEDANCE SURFACE;

D O I：

10.1109/TAP.2010.2048877

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：

Two different active frequency selective screens are proposed to develop a new class of reconfigurable-agile radiation-pattern antennas. High frequency PIN-Diodes are precisely incorporated into the screens to reconfigure electromagnetic (EM) response of the surfaces imitating blocking-transparent window for the incident EM waves. The DC-feed loading in the first screen and the PIN-Diode parasitic effects are carefully examined to achieve the desired performance. The constraints of DC-feed lines for the first cylindrical screen are also clarified, and then a second surface is proposed to surmount them providing more functionality compared to the first one. The new structure is used to construct a nimble-radiation pattern antenna which introduces an agile configuration by sweeping the radiation pattern over all 360 degrees azimuth angles. Furthermore, it is also able to reconfigure its radiation pattern to an omnidirectional state covering instantaneously the azimuth plane. Measurement and simulation results show that the proposed structures provide reconfigurable-agile radiation patterns over a minimum bandwidth of %10 in terms of matching and desired radiation pattern.

引用

页码：2227 / 2237

页数：11

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