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垂直入射均匀平面波的多层平板屏蔽效能分析 被引量:5

Analysis on Shielding Effectiveness of Multi Layer Planar Shields to Normally Incident plane Waves
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摘要 本文基于电磁场方法,详细导出多层平板屏蔽体对垂直入射均匀平面波的屏蔽效能计算公式。此外,提出计算屏蔽效能时,集肤深度和屏蔽体厚度的约束关系。给出用作计算机机箱的几种常用材料的屏蔽效能计算实例。 The formulae for the shielding effectiveness of multi layer planar shields against normally incident uniform plane waves are derived from the electromagnetic field method in detail.In addition,the limiting conditions between the skin depth and the shield thickness is also presented,and then shielding effectiveness for a variety of materials commonly used for computer cabinets is given.
出处 《微波学报》 CSCD 北大核心 1999年第2期115-120,126,共7页 Journal of Microwaves
关键词 电磁场理论 电磁兼容 屏蔽效能 Electromagnetic field theory,EMC,Shielding effectiveness
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参考文献2

  • 1Chiu Huanke,IEEE Trans.EMC,1997年,39卷,4期,332页
  • 2湖北省电磁兼容学会,电磁兼容原理及应用,1996年

同被引文献21

  • 1Oktem M H, Saka B. Design of Multilayered Cylindrical Shields Using a Genetic Algorithm[J]. IEEE Trans. on EMC, 2001, 43(2): 170-176.
  • 2Fan Han, Zhang Linchang. Degeneration of Shielding Effectiveness of Planar Shields due to Oblique Incident Plane Waves[C]. IEEE International Symposium on EMC,1996.82-86.
  • 3Haupt R L. An Introduction to Genetic Algorithms for Electromagnetics [J]. IEEE Trans. On Apc., 1995,37(2): 7-15.
  • 4Johnson J M, Rahmat-Samli Y. Genetic Algorithms in Engineering Electromagnetics[J]. IEEE Antennas Propagat.Mag.,1997,39(4): 7-25.
  • 5Massarini A, Reggiani U, Sandrolini L. Optimization of Magnetic Multilayered Shields[C]. IEEE International Symposium on EMC, 2001, 1:161 - 166.
  • 6Waber M, Schinke M, Reib K. Reflection and transmission properties of a conductive slab in time domain[C]// Antenna and Propagation Society International Symposium. Baltimore: [s. n. ], 1996: 2072-2075.
  • 7Schelkunoff S A. Transmission theory of plane electromagnetic waves[J]. Proceedings of the IRE, 1937, 25 (11) : 1457-1492.
  • 8Schelkunoff S A. Electromagnetic theory of coaxial lines and cylindrical shields [J ]. Bell Systems Technical Journal, 1934, 13(4) :532-579.
  • 9Vance E F. Coupling to cable shields[M]. New York: John Wiley and Sons, 1978:30-50.
  • 10Schulz R B, Plantz V C. Shielding theory and practice [J]. IEEE Transaction on Electromagnetic Compatibility, 1988, 30(3): 187-201.

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