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The electromagnetic shielding effectiveness (SE) of a metal cavity covered by a material of medium conductivity is investigated theoretically by using an equivalent circuit method based on the transmission line and waveguide theory. The validity of the theoretical model is verified by comparison with the electromagnetic simulation software. The position effect and the resonance effect of the SE are calculated. A method for evaluating the SE of materials is suggested. With this method, the influence of the resonance effect and the position effect can be impaired greatly, also the SE of materials against plane wave can be evaluated directly.
[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] Chen J, Wang J G 2007 IEEE Trans. Electromagn. Compat. 49 354
[6] Zhang S Q 2012 Chin. Phys. B 21 065101
[7] 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]
[8] Jiao C Q, Niu S 2013 Acta Phys. Sin. 62 114102 (in Chinese) [焦重庆, 牛帅 2013 物理学报 62 114102]
[9] Jiao C Q, Zhu H Z 2013 China. Phys. B 22 084101
[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] Audone B, Balma M 1989 IEEE Trans. Electromagn. Compat 31 102
[14] Wallyn W, Zutter D D, Rogier H 2002 IEEE Trans. Electromagn. Compat 44 130
[15] Wang J G, Liu G Z, Zhou J S 2003 High Power Laser and Particle Beams 15 1093 (in Chinese) [王建国, 刘国治, 周金山 2003 强激光与粒子束 15 1093]
[16] Olyslager F, Laermans E, Zutter D D, Criel S, Smedt R D, Lietaert N, Clercq A D 1999 IEEE Trans. Electromagn. Compat. 41 202
[17] Manara A 1996 IEEE Trans. Electromagn. Compat 38 327
[18] Wilson P F, Ma M T 1985 IEEE Trans. Electromagn. Compat. 27 137
[19] Konefal T, Dawson J F, Marvin A C Robinson M P, Porter S J 2006 IEEE Trans. Electromagn. Compat. 48 134
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[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] Chen J, Wang J G 2007 IEEE Trans. Electromagn. Compat. 49 354
[6] Zhang S Q 2012 Chin. Phys. B 21 065101
[7] 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]
[8] Jiao C Q, Niu S 2013 Acta Phys. Sin. 62 114102 (in Chinese) [焦重庆, 牛帅 2013 物理学报 62 114102]
[9] Jiao C Q, Zhu H Z 2013 China. Phys. B 22 084101
[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] Audone B, Balma M 1989 IEEE Trans. Electromagn. Compat 31 102
[14] Wallyn W, Zutter D D, Rogier H 2002 IEEE Trans. Electromagn. Compat 44 130
[15] Wang J G, Liu G Z, Zhou J S 2003 High Power Laser and Particle Beams 15 1093 (in Chinese) [王建国, 刘国治, 周金山 2003 强激光与粒子束 15 1093]
[16] Olyslager F, Laermans E, Zutter D D, Criel S, Smedt R D, Lietaert N, Clercq A D 1999 IEEE Trans. Electromagn. Compat. 41 202
[17] Manara A 1996 IEEE Trans. Electromagn. Compat 38 327
[18] Wilson P F, Ma M T 1985 IEEE Trans. Electromagn. Compat. 27 137
[19] Konefal T, Dawson J F, Marvin A C Robinson M P, Porter S J 2006 IEEE Trans. Electromagn. Compat. 48 134
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