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Volume 27 Issue 12
Dec.  2005
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Fan Ying-peng, Du Zheng-wei, Gong ke. Analysis on Shielding Effectiveness of Rectangular Cavity Perforated with a Single Slot[J]. Journal of Electronics & Information Technology, 2005, 27(12): 2005-2007.
Citation: Fan Ying-peng, Du Zheng-wei, Gong ke. Analysis on Shielding Effectiveness of Rectangular Cavity Perforated with a Single Slot[J]. Journal of Electronics & Information Technology, 2005, 27(12): 2005-2007.

Analysis on Shielding Effectiveness of Rectangular Cavity Perforated with a Single Slot

  • Received Date: 2004-06-29
  • Rev Recd Date: 2005-01-20
  • Publish Date: 2005-12-19
  • The shielding effectiveness of a rectangular enclosure perforated with a slot is analyzed and the influences of the slot length on the magnitude and frequency of the lowest mode stimulated by the slot are given. Joint time-frequency analysis is also applied to explore the time domain waveform of every frequency component at observation point. The influence of the slot length to the time domain characteristics of different resonant mode is also obtained.
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  • Li M, Drewniak J L, Radu S, et al.. An EMI estimate for shielding-enclosure evaluation[J].IEEE Trans. on Electromagn. Compat.2001, 43(3):295-303[2]王建国,屈华民,范如玉,等. 孔洞厚度对高功率微波脉冲耦合的影响. 强激光与粒子束,1994,6(2): 282-286.[3]Belokour I, LoVetri J, Kashyap S. Shielding effectiveness estimation of enclosures with apertures. IEEE Int. Symp. Electromagn. Compat., Washington. DC, USA: 2000, Piscataway, 2000: 855-860.[4]付继伟,候朝桢,窦丽华. 电磁脉冲斜入射时对孔缝耦合效应的数值分析. 强激光与粒子束,2003,15(3): 249-252.[5]Li M, Nuebel J, Drewniak J L, et al.. EMI from cavity modes of shielding enclosures- FDTD modeling and measurements[J].IEEE Trans. on Electromagn. Compat.2000, 42(1):29-38[6]Audone B, Balma M. Shielding effectiveness of apertures in rectangular cavities[J].IEEE Trans. on Electromagn. Compat.1989, 31(1):102-106[7]Harrington R F, Mautz J R. Characteristic modes for aperture problems[J].IEEE Trans. on Microwave Theory Tech.1985, 33(6):500-505[8]Robinson M P, Benson T M, Christopouolos C, et al.. Analytical formulation for the shielding effectiveness of enclosures with apertures. IEEE Trans. Electromagn. Compat., 1998, 44(3): 240-247.[9]Johnk R T, Novotny D R, Archambeault B. Using joint time- frequency analysis to enhance time-domain numerical EMC[10]simulations. Interference Technology, 2003: 113-124.
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