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沈杨, 芦志峰, 郭亚坤, 龙云飞, 何睿, 张哲瑞. 棋牌游戏森林舞会注册网站[J]. 中国二八杠棋牌游戏(中英文). doi: 10.37188/CO.EN-2023-0022
引用本文: 沈杨, 芦志峰, 郭亚坤, 龙云飞, 何睿, 张哲瑞. 棋牌游戏森林舞会注册网站[J]. 中国二八杠棋牌游戏(中英文). doi: 10.37188/CO.EN-2023-0022
SHEN Yang, LU Zhi-feng, GUO Ya-kun, LONG Yun-fei, HE Rui, Zhang Zhe-rui. 二八杠棋牌游戏体育真人[J]. Chinese Optics. doi: 10.37188/CO.EN-2023-0022
Citation: SHEN Yang, LU Zhi-feng, GUO Ya-kun, LONG Yun-fei, HE Rui, Zhang Zhe-rui. 二八杠棋牌游戏体育真人[J]. Chinese Optics. doi: 10.37188/CO.EN-2023-0022

棋牌游戏森林舞会注册网站

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  • 中图分类号:TB34

二八杠棋牌游戏体育真人

doi: 10.37188/CO.EN-2023-0022
Funds:Supported by
More Information
    Author Bio:

    Yang Shen (1990—), Ph.D., Engineer, Satellite Maritime Tracking and Controlling Department. His research interests concentrate on the basic theory and application of metamaterials in the field of electromagnetic waves, materials engineering, and surface plasmons. E-mail: [email protected]

    Corresponding author: [email protected]
  • 摘要:

    电阻型吸波结构具有优异的宽带电磁吸波性能。研究表明,电阻片方阻值对吸波结构宽带电磁吸波性能影响较大,且在样品制备过程中较难精确控制。本文论通过在电阻型吸波结构表面加载周期性人工等离子结构,利用宽频带内激发的多重等离子谐振,实现高效宽带色散调控,进而获得电阻型吸波材料表面局域场增强效应,实现宽带电磁吸波稳定性能的提升。仿真与试验结果表明,当电阻片方阻值在100至250Ω/sq范围内变化时,该电阻型等离子吸波结构在7.8至40.0GHz频段内仍具有吸收效率高于90%以上的连续宽带电磁吸波能力。该设计方案提供了一种加载人工等离子结构用于强化吸波超材料综合性能的设计思路,对复合型吸波超材料设计具有一定启发意义。

  • Figure 1. (a) Schematic of no-planar resistive MA unit cell (b) Prospective view of no-planar resistive MA (c) Simulated absorption spectra of no-planar resistive MA under the normal incidence

    Figure 2. (a) Schematic of the bent-wire-shaped structure (b) Dispersion relationship of the bent-wire-shaped structure

    Figure 3. (a) Schematic of bent-wire-shaped PS (b) Reflection and transmission spectra of bent-wire-shaped PS under the normal incidence (c) Absorption spectra of bent-wire-shaped PS

    Figure 4. (a) Schematic of resistive PAS unit cell (b) Prospective view of resistive PAS (c) Simulated absorption spectra of the proposed resistive PAS under the normal incidence

    Figure 5. Electric field E y distributions of (a) bent-wire-shaped PS and (b) resistive PAS in the y-z plane at the frequencies of 10.0, 15.0, 20.0, and 25.0 GHz

    Figure 6. Fabricated sample of resistive PAS with the ohmic sheet f z=100 Ω/sq

    Figure 7. Simulated and measured absorption spectra of resistive PAS with an ohmic sheet (a) f z=100 Ω/sq and (b) f z=250 Ω/sq

    Table  1. Cut-off frequencies of the bent-wire-shaped structure with different lengths l

    l=7.0 mm l=8.0 mm l=9.0 mm l=10.0 mm
    The first cut-off
    frequency/GHz
    14.5 13.1 11.8 10.6
    The second cut-off
    frequency/GHz
    24.9 23.4 21.8 20.4
    下载: 导出CSV
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棋牌游戏森林舞会官网平台
  • 收稿日期: 2023-09-02
  • 录用日期: 2023-12-18
  • 网络出版日期: 2023-12-28

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