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Title: 3D band-absorptive frequency selective rasorber : concept and analysis
Authors: Liu, Qi
Yu, Weiliang
Jin, Huayan
Liao, Zhen
Shen, Zhongxiang
Yu, Yufeng
Luo, Guo Qing
Keywords: Frequency Selective Rasorber (FSR)
Absorptive Frequency Selective Structure
DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2018
Source: Yu, Y., Luo, G. Q., Liu, Q., Yu, W., Jin, H., Liao, Z., & Shen, Z. (2019). 3D band-absorptive frequency selective rasorber : concept and analysis. IEEE Access, 7, 2520-2528. doi:10.1109/ACCESS.2018.2886967
Series/Report no.: IEEE Access
Abstract: This paper presents a 3D band-absorptive frequency selective rasorber (FSR). Such an FSR is absorptive within a specific band and almost transparent below the absorption band. The definition and evaluation of the band-absorptive FSR is initially provided and followed by the design concept of 3D FSR. An example is then proposed, whose unit cell is composed of 3D absorber and 3D band-stop FSS. An equivalent circuit model is established for understanding its operating principle. A prototype of the proposed 3D band-absorptive FSR is fabricated. The measured results show that it has an absorption band (|S11| ≤ −10 dB and |S21| ≤ −10 dB) from 4.21 to 6.51 GHz, with a thickness of 0.17 wavelength at 4.21 GHz. Moreover, |S21| is higher than −1 dB at the frequencies below 1.28 GHz. The proposed band-absorptive FSR can be used as radomes for low-frequency antennas in military communications or spectrum monitoring systems.
DOI: 10.1109/ACCESS.2018.2886967
Rights: © 2018 IEEE. Translations and content mining are permitted for academic research only. Personal use is also permitted, but republication/redistribution requires IEEE permission. See for more information.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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