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电磁脉冲武器能够通过“前、后门”耦合效应对箱体内部电子元器件及电路板造成损伤, 从而对电气电子设备的安全性构成严重威胁, 因此, 开展箱体电磁屏蔽效能的分析研究具有重要意义. 推导了任意入射波条件下电大开孔箱体屏蔽系数的解析解, 并在此基础上对箱体屏蔽效能进行了分析研究. 首先通过矢量分解, 得出任意入射平面波的坐标分量; 再基于Cohn模型, 获得了电大开孔的等效电偶、磁偶极子; 然后通过镜像原理, 计算出总的赫兹电矢量位、磁矢量位; 最终求得电大开孔箱体内部任意观测点的电场解析解, 用于箱体屏蔽系数计算. 设计了5组验证性实验, 仿真结果表明: 该解析算法相对CST的均方误差为11.565 dB, 绝对误差为8.015 dB, 相关系数为0.921, 从而验证了该算法的准确性; 解析算法仿真的平均耗时为0.183 s, 仅占CST耗时的1/7530, 从而验证了该算法的高效性.
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关键词:
- Bethe小孔耦合理论 /
- 等效偶极子 /
- 镜像原理 /
- 格林函数
[1] 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]
[2] Ji W J, Tong C M 2013 Chin. Phys. B 22 020301
[3] Lu X C, Wang J G, Liu Y, Li S, Han F 2013 Acta Phys. Sin. 62 070504 (in Chinese) [陆希成, 王建国, 刘钰, 李爽, 韩峰 2013 物理学报 62 070504]
[4] Fan J Q, Hao J H, Qi P H 2014 Acta Phys. Sin. 63 014104 (in Chinese) [范杰清, 郝建红, 柒培华 2014 物理学报 63 014104]
[5] Jiao C Q, Zhu H Z 2013 Chin. Phys. B 22 084101
[6] Wang T, Harrington R F, Mautz J R 1990 IEEE Trans. Antennas Propag. 38 1805
[7] Li J, Guo L X, Zeng H, Han X B 2009 Chin. Phys. B 18 2757
[8] Render M C, Marvin A C 1995 IEEE Trans. Electromagn. Compat. 37 488
[9] 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
[10] Konefal T, Dawson J F, Marvin A C, Robinson M P, Porter S J 2005 IEEE Trans. Electromagn. Compat. 47 678
[11] Dehkhoda P, Tavakoli A, Moini R 2008 IEEE Trans. Electromagn. Compat. 50 208
[12] Jongjoo S, Dong G K, Jong H K, Joungho K 2010 IEEE Trans. Electromagn. Compat. 52 566
[13] Belkacem F T, Bensetti M, Boutar A G, Moussaoui D, Djennah M, Mazari B 2011 IET Sci. Meas. Technol. 5 88
[14] Nitsch J B, Tkachenko S V, Potthast S 2012 IEEE Trans. Electromagn. Compat. 54 1252
[15] Solin J R 2011 IEEE Trans. Electromagn. Compat. 53 82
[16] Solin J R 2012 IEEE Trans. Electromagn. Compat. 54 188
-
[1] 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]
[2] Ji W J, Tong C M 2013 Chin. Phys. B 22 020301
[3] Lu X C, Wang J G, Liu Y, Li S, Han F 2013 Acta Phys. Sin. 62 070504 (in Chinese) [陆希成, 王建国, 刘钰, 李爽, 韩峰 2013 物理学报 62 070504]
[4] Fan J Q, Hao J H, Qi P H 2014 Acta Phys. Sin. 63 014104 (in Chinese) [范杰清, 郝建红, 柒培华 2014 物理学报 63 014104]
[5] Jiao C Q, Zhu H Z 2013 Chin. Phys. B 22 084101
[6] Wang T, Harrington R F, Mautz J R 1990 IEEE Trans. Antennas Propag. 38 1805
[7] Li J, Guo L X, Zeng H, Han X B 2009 Chin. Phys. B 18 2757
[8] Render M C, Marvin A C 1995 IEEE Trans. Electromagn. Compat. 37 488
[9] 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
[10] Konefal T, Dawson J F, Marvin A C, Robinson M P, Porter S J 2005 IEEE Trans. Electromagn. Compat. 47 678
[11] Dehkhoda P, Tavakoli A, Moini R 2008 IEEE Trans. Electromagn. Compat. 50 208
[12] Jongjoo S, Dong G K, Jong H K, Joungho K 2010 IEEE Trans. Electromagn. Compat. 52 566
[13] Belkacem F T, Bensetti M, Boutar A G, Moussaoui D, Djennah M, Mazari B 2011 IET Sci. Meas. Technol. 5 88
[14] Nitsch J B, Tkachenko S V, Potthast S 2012 IEEE Trans. Electromagn. Compat. 54 1252
[15] Solin J R 2011 IEEE Trans. Electromagn. Compat. 53 82
[16] Solin J R 2012 IEEE Trans. Electromagn. Compat. 54 188
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