3-D Closely Spaced Dual-Band Frequency Selective Surface Based on Square Waveguide

被引：0
|
作者：
Yang, Xia [1 ]
Wang, Cheng [2 ]
Yu, Zhengyong [1 ]
Hao, Zhongyin [1 ]
Zhou, Peng [1 ]
Tang, Wanchun [1 ,3 ]
机构：
[1] Nanjing Normal Univ, Sch Phys & Technol, Nanjing, Peoples R China
[2] Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Nanjing, Peoples R China
[3] Jiangsu Prov Engn Lab Audio Technol, Nanjing, Peoples R China
来源：
2019 CROSS STRAIT QUAD-REGIONAL RADIO SCIENCE AND WIRELESS TECHNOLOGY CONFERENCE (CSQRWC) | 2019年
基金：
中国国家自然科学基金;
关键词：
dual-band; dual polarizations; three-dimensional frequency selective surfaces (3-D FSS);
D O I：
10.1109/csqrwc.2019.8799297
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：
In this paper, a three-dimensional (3-D) frequency-selective surface (FSS) is proposed to realize two close passbands with high selectivity. In each unit cell, one modified parallel-plate waveguide (MPPW) propagation path and one I-shaped slots (ISS) propagation path are constructed to generate three transmission poles and two transmission zeros. The E-field analysis of transmission poles and zeros is provided to understand the operating principle of the proposed FSS. According to the simulation results, the proposed 3-D FSS can achieve two closely spaced passbands with the center frequency ratio of passbands 1.1. Furthermore, the proposed FSS exhibits stable frequency responses under a large variation of incident angles for dual polarizations.
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页数：3
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