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开孔矩形腔体的近场电磁屏蔽效能研究

焦重庆 牛帅

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开孔矩形腔体的近场电磁屏蔽效能研究

焦重庆, 牛帅

Shielding effectiveness of an apertured rectangular cavity against the near-field electromagnetic waves

Jiao Chong-Qing, Niu Shuai
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  • 基于扩展的等效电路方法, 建立了电偶极子和磁偶极子天线近场照射下开孔矩形腔体电磁屏蔽效能计算的近似解析模型, 计算分析了场源–腔体距离对电场和磁场屏蔽效能的影响规律. 结果表明在近场区, 屏蔽效能随场源–腔体距离的减小而明显减小, 近场屏蔽效能小于远场屏蔽效能. 基于Bethe小孔耦合理论, 得出了描述近场和远场屏蔽效能关系的解析公式, 并用该公式检验了等效电路方法计算结果的可信性.
    The shielding effectiveness of an apertured rectangular cavity against the near-field waves of both electric and magnetic dipoles is investigated theoretically by using an extended equivalent circuit method. Both electric and magnetic shielding effectivenesses are calculated as functions of distance between the dipoles and the enclosure. It is shown that the near-field shielding effectiveness is lower than the far-field (plane-wave) shielding effectiveness. Also, in the near-field region, the shielding effectiveness will reduce obviously with the decrease of the source-to-enclosure distance. Based on Bethe's small aperture coupling theory, analytical formulas are presented to describe the quantitative relation between the near-field and the far-field shielding effectivenesses. It is shown that the results from equivalent circuit method are in good agreement with the relation obtained from the Bethe's theory.
    • 基金项目: 国家自然科学基金(批准号: 51037001)资助的课题.
    • Funds: Project supported by the National Natural Science Foundation of China (Grant No. 51037001).
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    Gomory F, Solovyov M, Souc J, Navau C, Prat-Camps J, Sanchez A 2012 Science 335 1466

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    [4]

    Zhang S Q, Wu Q 2013 Acta Phys. Sin. 62 029202 (in Chinese) [张少卿, 吴群 2013 物理学报 62 029202]

    [5]

    Jiao C Q 2012 IEEE Trans. Electromagn. Compat. 54 696

    [6]

    Zhang S Q 2012 Chin. Phys. B 21 065101

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    Chen J, Wang J G 2007 IEEE Trans. Electromagn. Compat. 49 354

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    Audone B, Balma M 1989 IEEE Trans. Electromagn. Compat 31 102

    [9]

    Wallyn W, Zutter D D, Rogier H 2002 IEEE Trans. Electromagn. Compat 44 130

    [10]

    Robinson M P, Benson T M, Christopoulos C, Dawson J F, Ganley M D, Marvin A C, Porter S J, Thomas D W P 1998 IEEE Trans. Electromagn. Compat 40 240

    [11]

    Dehkhoda P, Tavakoli A, Moini R 2008 IEEE Trans. Electromagn. Compat 50 208

    [12]

    Azaro R, Caorsi S, Donelli M 2001 Microwave and Optical Tech. Lett. 28 289

    [13]

    Moser J R 1988 IEEE Trans. Electromagn. Compat. 30 202

    [14]

    Bannister P R 1968 IEEE Trans. Electromagn. Compat. 10 2

    [15]

    Chiu H K, Lin M S, Chen C H 1997 IEEE Trans. Electromagn. Compat. 39 332

    [16]

    Ali S, Weile D, Clupper T 2005 IEEE Trans. Electromagn. Compat. 47 367

    [17]

    Criel S, Martens L, Zutter D D 1994 IEEE Trans. Electromagn. Compat. 36 161

    [18]

    Wilson P 1995 IEEE Trans. Electromagn. Compat. 37 126

    [19]

    Audone B, Balma M 1989 IEEE Trans. Electromagn. Compat. 31 102

    [20]

    Dehkhoda P, Tavakoli A, Moini R 2008 IEEE Trans.Electromagn. Compat. 50 208

    [21]

    Shim J J, Kam D G, Kwon J H, Kim J 2010 IEEE Trans. Electromagn. Compat. 52 566

    [22]

    Bethe H A 1944 Phys. Rev. 66 163

    [23]

    Collin R E 1990 Field Theory of Guided Waves (2nd Edn.) (New York: Wiley-IEEE Press)

    [24]

    Jiao C Q, Qi L 2012 Acta Phys. Sin. 61 134104 (in Chinese) [焦重庆, 齐磊 2012 物理学报 61 134104]

    [25]

    Solin J R 2011 IEEE Trans. Electromagn. Compat. 53 82

    [26]

    Paul C R 2006 Introduction to Electromagnetic Compatibility (2nd Edn) New Jersey: John Wiley & Sons, Inc.

    [27]

    Ren L 1980 Antenna Theory Foundations (Beijing: Posts & Telecom Press) (in Chinese) [任朗 1980 天线理论基础 (北京: 人民邮电出版社)]

  • [1]

    He J L 2010 Introduction to Electromagnetic Compatibility (Beijing: Science Press) (in Chinese) [何金良 2010 电磁兼容概论 (北京: 科学出版社)]

    [2]

    Gomory F, Solovyov M, Souc J, Navau C, Prat-Camps J, Sanchez A 2012 Science 335 1466

    [3]

    Wang J G, Zheng X S, Yang J, Zhao Y, Zhang Q L, Yuan T, Zhou J J,Feng G L 2008 Acta Phys. Sin. 57 1968 (in Chinese) [王建国, 郑秀书, 杨静, 赵阳, 张其林, 袁铁, 周筠珺, 冯桂力 2008 物理学报 57 1968]

    [4]

    Zhang S Q, Wu Q 2013 Acta Phys. Sin. 62 029202 (in Chinese) [张少卿, 吴群 2013 物理学报 62 029202]

    [5]

    Jiao C Q 2012 IEEE Trans. Electromagn. Compat. 54 696

    [6]

    Zhang S Q 2012 Chin. Phys. B 21 065101

    [7]

    Chen J, Wang J G 2007 IEEE Trans. Electromagn. Compat. 49 354

    [8]

    Audone B, Balma M 1989 IEEE Trans. Electromagn. Compat 31 102

    [9]

    Wallyn W, Zutter D D, Rogier H 2002 IEEE Trans. Electromagn. Compat 44 130

    [10]

    Robinson M P, Benson T M, Christopoulos C, Dawson J F, Ganley M D, Marvin A C, Porter S J, Thomas D W P 1998 IEEE Trans. Electromagn. Compat 40 240

    [11]

    Dehkhoda P, Tavakoli A, Moini R 2008 IEEE Trans. Electromagn. Compat 50 208

    [12]

    Azaro R, Caorsi S, Donelli M 2001 Microwave and Optical Tech. Lett. 28 289

    [13]

    Moser J R 1988 IEEE Trans. Electromagn. Compat. 30 202

    [14]

    Bannister P R 1968 IEEE Trans. Electromagn. Compat. 10 2

    [15]

    Chiu H K, Lin M S, Chen C H 1997 IEEE Trans. Electromagn. Compat. 39 332

    [16]

    Ali S, Weile D, Clupper T 2005 IEEE Trans. Electromagn. Compat. 47 367

    [17]

    Criel S, Martens L, Zutter D D 1994 IEEE Trans. Electromagn. Compat. 36 161

    [18]

    Wilson P 1995 IEEE Trans. Electromagn. Compat. 37 126

    [19]

    Audone B, Balma M 1989 IEEE Trans. Electromagn. Compat. 31 102

    [20]

    Dehkhoda P, Tavakoli A, Moini R 2008 IEEE Trans.Electromagn. Compat. 50 208

    [21]

    Shim J J, Kam D G, Kwon J H, Kim J 2010 IEEE Trans. Electromagn. Compat. 52 566

    [22]

    Bethe H A 1944 Phys. Rev. 66 163

    [23]

    Collin R E 1990 Field Theory of Guided Waves (2nd Edn.) (New York: Wiley-IEEE Press)

    [24]

    Jiao C Q, Qi L 2012 Acta Phys. Sin. 61 134104 (in Chinese) [焦重庆, 齐磊 2012 物理学报 61 134104]

    [25]

    Solin J R 2011 IEEE Trans. Electromagn. Compat. 53 82

    [26]

    Paul C R 2006 Introduction to Electromagnetic Compatibility (2nd Edn) New Jersey: John Wiley & Sons, Inc.

    [27]

    Ren L 1980 Antenna Theory Foundations (Beijing: Posts & Telecom Press) (in Chinese) [任朗 1980 天线理论基础 (北京: 人民邮电出版社)]

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出版历程
  • 收稿日期:  2012-12-09
  • 修回日期:  2013-02-01
  • 刊出日期:  2013-06-05

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