全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

确定多层平板屏蔽体屏蔽效能的简便方法

DOI: 10.13190/jbupt.200802.54.098, PP. 54-58

Keywords: 非均匀传输线,屏蔽效能,网络参量,矩阵原理

Full-Text   Cite this paper   Add to My Lib

Abstract:

利用非均匀传输线模拟了多层平板屏蔽体,并进一步采用矩阵原理得到了屏蔽体的屏蔽效能。由于非均匀传输线本身的非均匀性,用它模拟多层屏蔽体不需再分析板间的多次来回反射,大大简化了计算过程;矩阵表达有利于计算机运算。最后给出了可用于计算任意层平板屏蔽体屏蔽效能的一般公式,用其计算了双层板和4层板2种特例的屏蔽效能,与已有的精确公式计算结果完全吻合,而过程较之简单。

References

[1]  高攸纲. 屏蔽与接地[M]. 北京: 北京邮电大学出版社, 2004: 15-56.
[2]  路宏敏, 朱满座, 薛梦麟. 垂直入射均匀平面波的多层平板屏蔽效能分析[J]. 微波学报, 1999, 15(2): 115-120. Lu Hongming, Zhu Manzuo, Xue Menglin. Analysis on shielding effectiveness of multi layer planar shields to nor- mally incident plane waves[J]. Journal of Microwaves, 1999, 15(2): 115-120.
[3]  Waber M, Schinke M, Reib K. Reflection and transmission properties of a conductive slab in time domain//Antenna and Propagation Society International Symposium. Baltimore:, 1996: 2072-2075.
[4]  Schelkunoff S A. Transmission theory of plane electromagnetic waves. Proceedings of the IRE, 1937, 25(11): 1457-1492.
[5]  Schelkunoff S A. Electromagnetic theory of coaxial lines and cylindrical shields[J]. Bell Systems Technical Journal, 1934, 13(4):532-579.
[6]  Vance E F. Coupling to cable shields[M]. New York: John Wiley and Sons, 1978:30-50.
[7]  Schulz R B, Plantz V C. Shielding theory and practice[J]. IEEE Transaction on Electromagnetic Compatibi-lity, 1988, 30(3): 187-201.
[8]  高攸纲, 李艺. 圆管屏蔽体屏蔽效果的分析[J]. 北京邮电大学学报, 1991, 14(2):9-19. Gao Yougang, Li Yi. Analysis of the shielding effect of a cylindrical screen. Journal of Beijing University of Posts and Telecommunications, 1991, 14(2): 9-19.
[9]  Kodali V P. 工程电磁兼容原理、测试、技术工艺及计算机模型[M]. 陈淑凤, 高攸纲, 苏东林, 等译. 北京: 人民邮电出版社, 2006: 427-445.
[10]  He Wei, Gao Yougang. Shielding effectiveness of superconductor in the shape of spherical shell[J]. The Journal of China Universities of Posts and Telecommunications, 1998, 5(2): 37-56.
[11]  马双武, 高攸纲. 多层平板屏效计算中的等效传输线法[J]. 电波科学学报, 1999, 14(4): 384-389. Ma Shuangwu, Gao Yougang. The equivalent transmission line method for calculating multi layer plane shiel-ding effectiveness[J]. Chinese Journal of Radio Science, 1999, 14(4): 384-389.
[12]  Mao Junfa, Li Zhengfan. Analysis of the time response of nonuniform multiconductor transmission lines with a method of equivalent cascaded network chain[J]. IEEE Transactions on Microwave Theory and Techniques, 1992, 40(5): 948-954.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133