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多频段十字分形频率选择表面

王珊珊 高劲松 梁凤超 王岩松 陈新

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多频段十字分形频率选择表面

王珊珊, 高劲松, 梁凤超, 王岩松, 陈新

Multiband fractal cross dipole frequency selective surface

Wang Shan-Shan, Gao Jin-Song, Liang Feng-Chao, Wang Yan-Song, Chen Xin
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  • 利用分形单元的自相似性将分形结构应用于频率选择表面(FSS)领域使单屏FSS具有多频谐振的特性,在各波段实现简易、多频带通滤波器的设计.以易加工的十字单元为例,经过递归、迭代产生二阶十字分形单元,给出描述单元几何分布的公式;应用周期矩量法结合Floquet定理及阻抗边界条件得到描述FSS表面电流分布的电场积分方程,对FSS传输特性规律进行数值分析,采用遗传算法对分形单元参数进行全局优化得到了在9.2 GHz和29.4 GHz谐振的单屏FSS设计;最后采用成熟的镀膜、光刻工艺制备十字分形FSS样件并在微波暗
    Fractal structures has self-similar properties so that they can be applied in the field of frequency selective surface (FSS) as unit cell and the fractal FSS has the nature of simple ,multi-band characteristics on single layer FSS which can be used as spatial pass filters for the incident angle, polarization and the frequency of the electromagnetic wave. Take fractal cross dipole as example, which we can obtain by recursive algorithm and iterative technique, this work gives the expressions of the fractal elements’ geometry and then characterizes the FSS transmission response by the electric field integral equation for the current distribution on the single FSS screen derived from the Floquet's periodic theory unden impedance boundary condition. Genetic algorithm was applied to globally optimize the structure parameters in order to get the design of the double resonant FSS. Finally, FSS sample was prepared by optical lithography and measured in the anechoic chamber. Experimental results show good agreement with the calculations we made for the design of FSS with resonant frequencies 9.2 GHz and 29.4 GHz, which was what we expected from the periodic method of moment.
    • 基金项目: 中国科学院国防创新基金(批准号:CXJJ-149),中国科学院优秀博士论文、院长奖获得者科研启动专项基金(批准号:076231J070)资助的课题.
    [1]

    Li X Q, Feng X G, Gao J S 2008 Acta Phys. Sin. 57 3193(in Chinese) [李小秋、冯晓国、高劲松 2008 物理学报 57 3193]

    [2]

    Li X Q, Gao J S, Zhao J L, Sun L C 2008 Acta Phys. Sin. 57 3803 (in Chinese) [李小秋、高劲松、赵晶丽、孙连春 2008 物理学报 57 3803]

    [3]

    Fang C Y, Zhang S R, Lu J, Wang J B, Sun L C 2010 Acta Phys. Sin. 59 5023 (in Chinese) [方春易、张树仁、卢 俊、汪剑波、孙连春 2010 物理学报 59 5023]

    [4]

    Jordi Romeu, Rahmat-Samii Y 1999 Proc. IEEE Antennas and Propagation Soc. Int. Symp. 3 1734

    [5]

    Gianvittorio J P, Rahamat-Samii Y 2001 Proc. IEEE Antennas and Propagation Soc. Int. Symp. Dig 640—643

    [6]

    Lu J, Chen X Y, Wang J B 2008 Acta Phys. Sin. 57 7200 (in Chinese) [卢 俊、陈新邑、汪剑波 2008 物理学报 57 7200]

    [7]

    Munk B A 200 Frequency selective surface:theory and design (New York:Wiley)

    [8]

    Jia H Y, Gao J S, Feng X G, Sun L C 2009 Acta Phys. Sin. 58 505 (in Chinese) [贾宏燕、高劲松、冯晓国、孙连春 2009 物理学报 58 505]

    [9]

    Chi H C, Mittra R 1990 IEEE Transactions on Antennas and Propagation 38 40

    [10]

    Charkravarty S, Mittra R, Lanuzza L 2002 IEEE Transactions on Antennas and Propagation 50 284

  • [1]

    Li X Q, Feng X G, Gao J S 2008 Acta Phys. Sin. 57 3193(in Chinese) [李小秋、冯晓国、高劲松 2008 物理学报 57 3193]

    [2]

    Li X Q, Gao J S, Zhao J L, Sun L C 2008 Acta Phys. Sin. 57 3803 (in Chinese) [李小秋、高劲松、赵晶丽、孙连春 2008 物理学报 57 3803]

    [3]

    Fang C Y, Zhang S R, Lu J, Wang J B, Sun L C 2010 Acta Phys. Sin. 59 5023 (in Chinese) [方春易、张树仁、卢 俊、汪剑波、孙连春 2010 物理学报 59 5023]

    [4]

    Jordi Romeu, Rahmat-Samii Y 1999 Proc. IEEE Antennas and Propagation Soc. Int. Symp. 3 1734

    [5]

    Gianvittorio J P, Rahamat-Samii Y 2001 Proc. IEEE Antennas and Propagation Soc. Int. Symp. Dig 640—643

    [6]

    Lu J, Chen X Y, Wang J B 2008 Acta Phys. Sin. 57 7200 (in Chinese) [卢 俊、陈新邑、汪剑波 2008 物理学报 57 7200]

    [7]

    Munk B A 200 Frequency selective surface:theory and design (New York:Wiley)

    [8]

    Jia H Y, Gao J S, Feng X G, Sun L C 2009 Acta Phys. Sin. 58 505 (in Chinese) [贾宏燕、高劲松、冯晓国、孙连春 2009 物理学报 58 505]

    [9]

    Chi H C, Mittra R 1990 IEEE Transactions on Antennas and Propagation 38 40

    [10]

    Charkravarty S, Mittra R, Lanuzza L 2002 IEEE Transactions on Antennas and Propagation 50 284

计量
  • 文章访问数:  7130
  • PDF下载量:  1059
  • 被引次数: 0
出版历程
  • 收稿日期:  2010-06-17
  • 修回日期:  2010-09-08
  • 刊出日期:  2011-05-15

多频段十字分形频率选择表面

  • 1. (1)中国科学院长春光学精密机械与物理研究所,中国科学院光学系统先进制造技术重点实验室,长春 130033; (2)中国科学院长春光学精密机械与物理研究所,中国科学院光学系统先进制造技术重点实验室,长春 130033;中国科学院研究生院,北京 100049
    基金项目: 中国科学院国防创新基金(批准号:CXJJ-149),中国科学院优秀博士论文、院长奖获得者科研启动专项基金(批准号:076231J070)资助的课题.

摘要: 利用分形单元的自相似性将分形结构应用于频率选择表面(FSS)领域使单屏FSS具有多频谐振的特性,在各波段实现简易、多频带通滤波器的设计.以易加工的十字单元为例,经过递归、迭代产生二阶十字分形单元,给出描述单元几何分布的公式;应用周期矩量法结合Floquet定理及阻抗边界条件得到描述FSS表面电流分布的电场积分方程,对FSS传输特性规律进行数值分析,采用遗传算法对分形单元参数进行全局优化得到了在9.2 GHz和29.4 GHz谐振的单屏FSS设计;最后采用成熟的镀膜、光刻工艺制备十字分形FSS样件并在微波暗

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