低RCS的二极管和电阻控制的偏振可重构宽带双极化超表面天线

IF 3.7 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Antennas and Wireless Propagation Letters Pub Date : 2025-01-16 DOI:10.1109/LAWP.2025.3530170

Zhendong Ding;Jiawang Li;Jianyin Cao;Hao Wang;Michael Yan-Wah Chia;Nasimuddin Nasimuddin

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引用次数: 0

摘要

提出了一种具有双极化和低雷达截面（RCS）的极化可重构超表面宽带天线。该天线采用位于两条传输线之间的二极管来控制电流方向，并在缺陷地分支上使用电阻来管理相移，从而实现圆极化和线极化之间的无缝转换。椭圆的超表面设计有助于降低RCS。通过测量验证了设计结果，二极管关断时阻抗带宽（IBW）为49.1%，轴比带宽（ARBW）为23.2%，导通时IBW为36.4%，连接电阻的IBW为40.7%，三种状态下的峰值增益分别为6.4 dBi、4.4 dBi和4.2 dBi。该超表面实现了从2 GHz到24 GHz的低RCS带宽，显示RCS从4.9 GHz到19.7 GHz减少了6 dBsm，与完美电导体（PEC）板相比减少了120.3%。

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Wideband Dual-Polarized Metasurface Antenna With Polarization Reconfigurable Controlled by Diode and Resistor, Featuring Low RCS

A polarization-reconfigurable metasurface wideband antenna with dual polarization and a low radar cross section (RCS) is presented. The antenna employs a diode positioned between two transmission lines to control the current direction and a resistor on a defected-ground branch to manage phase shifts, enabling seamless transitions between circular polarization and linear polarization. The elliptical metasurface design contributes to a reduced RCS. The design results are verified through measurement, showing an impedance bandwidth (IBW) of 49.1%, an axial ratio bandwidth (ARBW) of 23.2% for the diode is off, an IBW of 36.4% for the diode is on, the IBW of the connected resistor is 40.7%, and the peak gains for the three states are 6.4 dBi, 4.4 dBi, and 4.2 dBi, respectively. The metasurface achieves a low RCS bandwidth ranging from 2 GHz to 24 GHz, showing a 6 dBsm reduction in RCS from 4.9 GHz to 19.7 GHz, which corresponds to a 120.3% decrease compared to a perfect electric conductor (PEC) plate.

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来源期刊

IEEE Antennas and Wireless Propagation Letters 工程技术-电信学

CiteScore

8.00

自引率

9.50%

发文量

529

审稿时长

1.0 months

期刊介绍： IEEE Antennas and Wireless Propagation Letters (AWP Letters) is devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation. These are areas of competence for the IEEE Antennas and Propagation Society (AP-S). AWPL aims to be one of the "fastest" journals among IEEE publications. This means that for papers that are eventually accepted, it is intended that an author may expect his or her paper to appear in IEEE Xplore, on average, around two months after submission.