Dual-polarized Frequency-selective Rasorbers with Two Transmission Bands

2022 IEEE 5th International Conference on Electronics Technology (ICET) Pub Date : 2022-05-13 DOI:10.1109/icet55676.2022.9824912

Haobin Hu, W. Liao, Tingting Liu, Q. An, Liming Hou, Xiang Zhang, Dawei Li

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Abstract

In this paper, two frequency-selective rasorbers (FSRs) with a wide low-reflection band and two transmission bands are proposed. The FSRs are composed of a similar lossy resistive sheet (LRS) and different lossless frequency selective surfaces (FSSs) separated by air spacer. The LRS is composed of a resistor-loaded four-arm copper strip and a ring-shaped spiral interdigital structure in the center. The design is polarization-insensitive due to the symmetrical structure. The dual-band FSSs by etching two slots with different shapes and dimensions in a metallic plane. One of the two FSRs is with the passbands working at 6.6 GHz and 12 GHz. The passbands of another FSR are working at 2.1 GHz and 8 GHz. Both FSRs are with wideband -10 dB low-reflection performance, which cover the C and X bands. One of the FSRs is fabricated and measured. Moreover, the efficient and instructive design strategy of FSRs is summarized. The proposed designs provide alternatives for the stealth applications of satellites with two antennas.

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双传输波段的双极化选频谐振器

本文提出了两种具有宽低反射带和双透射带的频率选择性反射器。fsr是由一个相似的损耗电阻片(LRS)和不同的无损频率选择表面(fss)组成的，由空气间隔器分隔。LRS由负载电阻的四臂铜带和中心的环形螺旋数字间结构组成。由于结构对称，该设计对偏振不敏感。通过在金属平面上刻蚀两个不同形状和尺寸的槽来制备双频fss。两种fsr中的一种是在6.6 GHz和12 GHz频段工作的。另一个FSR的通带工作在2.1 GHz和8 GHz。两种fsr都具有宽带- 10db低反射性能，覆盖C和X波段。制作并测量了其中一个fsr。总结了fsr的高效、指导性设计策略。所提出的设计为具有双天线的卫星的隐身应用提供了替代方案。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2022 IEEE 5th International Conference on Electronics Technology (ICET)

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