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Investigation of the RCS for Finite Bandpass Frequency Selective Surface

机译：有限带通频率选择表面的RCS研究

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摘要

Frequency selective surface (FSS) with finite size behaves differently compared to an ideal infinite one, due to the influence of fringe effect, while there exist little study concerning this subject. RCS radiation can serve as a critical indicator of the FSS performance which can quantitatively reveal the mechanism of the fringe effect. This paper presents the study of RCS for FSS with finite structures. RCS for different sized FSS with different configurations under plane wave illumination are studied qualitatively. The result reveals the frequency selectivity and fringe effect of finite FSS. Quantitative functional relations between fringe effect and dimension of FSS are first summarized for monolayer FSS. A new case is then picked and tested to verify the validity of the functional relations. The relations are also extended to multilayer FSS. It turns out that the relations are general properties of finite FSS excited by plane waves.
机译：由于边缘效应的影响，有限尺寸的频率选择表面（FSS）的行为与理想的无限选择表面不同，而与此相关的研究很少。 RCS辐射可以作为FSS性能的关键指标，可以定量揭示边缘效应的机理。本文介绍了有限结构FSS的RCS研究。定性研究了平面波照射下不同构型的不同尺寸FSS的RCS。结果揭示了有限FSS的频率选择性和边缘效应。首先总结了单层FSS边缘效应与FSS尺寸之间的定量功能关系。然后选择一个新案例并进行测试，以验证功能关系的有效性。该关系也扩展到多层FSS。事实证明，这种关系是平面波激发的有限FSS的一般性质。

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  • 作者

    Fang Chengran; Ye Xiuzhu; Zhang Yan; Wang Qian; Zhao Jingcheng; Zhang Naixin; Jiang Hao; Jin Cheng; Bai Ming;

  • 作者单位

    Beihang Univ, Sino French Engineer Sch, Beijing 100191, Peoples R China;

    Beijing Inst Technol, Dept Elect & Informat Engn, Beijing 100081, Peoples R China;

    Beihang Univ, Dept Elect & Informat Engn, Beijing 100191, Peoples R China;

    Res Inst Special Struct Aeronaut Composite AVIC, Aeronaut Sci Key Lab High Performance Electromagn, Jinan 250023, Shandong, Peoples R China;

    Beihang Univ, Dept Elect & Informat Engn, Beijing 100191, Peoples R China;

    Beihang Univ, Dept Elect & Informat Engn, Beijing 100191, Peoples R China;

    Beihang Univ, Dept Elect & Informat Engn, Beijing 100191, Peoples R China;

    Beijing Inst Technol, Dept Elect & Informat Engn, Beijing 100081, Peoples R China;

    Beihang Univ, Dept Elect & Informat Engn, Beijing 100191, Peoples R China;

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  • 正文语种 eng
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  • 关键词

    Finite FSS; fringe effect; multilayer FSS; RCS;

    机译：有限的FSS;边缘效果;多层FSS;RCS;

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