Frequency-Selective Rasorber with Tunable Passband Based on Tripole Elements

被引：1

作者：

Zhang, Zhiwei ^{[1
]}

Guo, Qingxin ^{[1
]}

Zhang, Li ^{[1
]}

Li, Zengrui ^{[1
]}

机构：

[1] Commun Univ China, Informat Engn Sch, Beijing, Peoples R China

来源：

2020 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY (ICMMT 2020 ONLINE) | 2020年

关键词：

rasorber; radar absorber; tunable frequency-selective rasorber (FSR); tripole loop; SURFACE; DESIGN;

D O I：

10.1109/ICMMT49418.2020.9386635

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 a frequency-selective rasorber which has two absorption bands on the both sides of a tunable passband. An original rasorber with fixed-passband is designed by cascading of an absorptive frequency-selective surface (FSS) and a lossless bandpass FSS. The absorptive FSS is realized with tripole elements and the lossless bandpass FSS is achieved with tripole ring slot. Varactors and biasing networks are inserted for tuning the passband. The simulated results show that the center frequency of passband is altered from 4.5 to 6 GHz with the capacitance of varactors changing from 0.2 to 0 pF. The frequency-selective rasorber with a fixed-passband is fabricated and measured to verify the design.

引用

页数：3

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