A Third-Order Bandpass Frequency Selective Surface With a Tunable Transmission Null

被引：44

作者：

Li, Meng ^{[1
]}

Behdad, Nader ^{[1
]}

机构：

[1] Univ Wisconsin, Dept Elect & Comp Engn, Madison, WI 53706 USA

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2012年 / 60卷 / 04期

基金：

美国国家科学基金会;

关键词：

Frequency selective surfaces; periodic structures; radomes; spatial filters; LOW-PROFILE; DESIGN;

D O I：

10.1109/TAP.2012.2186251

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：

We present the design and analysis of a frequency selective surface (FSS) capable of providing a third-order bandpass response. The transfer function of the proposed FSS has a transmission null, the frequency of which can be tuned to suppress strong interference signals with frequencies close to or within the main transmission band. The principles of operation of the device are presented along with an approximate analytical procedure for synthesizing the desired FSS response. Two prototypes are fabricated and characterized using a free-space measurement setup and the FSS's different modes of operation are experimentally demonstrated. Finally, the tuning performance of the FSS's transmission null is experimentally demonstrated in a WR-90 waveguide environment.

引用

页码：2109 / 2113

页数：6

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