SU Donglin, LIU Hongyi, YANG Shunchuan, ZHAO Zihua, SUI Donghai. An Analytical Method for Calculating the Shielding Effectiveness of an Enclosure with an Oblique Rectangular Aperture[J]. Chinese Journal of Electronics, 2019, 28(4): 850-855. doi: 10.1049/cje.2019.02.006
Citation: SU Donglin, LIU Hongyi, YANG Shunchuan, ZHAO Zihua, SUI Donghai. An Analytical Method for Calculating the Shielding Effectiveness of an Enclosure with an Oblique Rectangular Aperture[J]. Chinese Journal of Electronics, 2019, 28(4): 850-855. doi: 10.1049/cje.2019.02.006

An Analytical Method for Calculating the Shielding Effectiveness of an Enclosure with an Oblique Rectangular Aperture

doi: 10.1049/cje.2019.02.006
Funds:  This work is supported by the National Natural Science Foundation of China (No.61601016).
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  • Corresponding author: LIU Hongyi (corresponding author) was born in 1974. He received the B.S. degree in electronic engineering from Xi'an Jiaotong University, Xi'an, China in 1996. He received the M.S. degree in circuit and system from Beihang University (BUAA), Beijing, China, in 2008. He is an Ph.D. Candidate with the major in EMC. His research interests include EMC, EME, antenna, microwave circuit and signal procession. (Email:Liuhy197429@buaa.edu.cn)
  • Received Date: 2017-10-05
  • Rev Recd Date: 2018-01-22
  • Publish Date: 2019-07-10
  • An efficient analytical method is proposed to calculate the Shielding effectiveness (SE) of an enclosure with an oblique rectangular aperture. This enclosure was first decomposed into two ones with horizontal rectangular apertures through mirror image and Green function theories. The SE of each decomposed enclosure was calculated by the Robinson's method. The relationship between the SE of the original cavity and those of the decomposed ones was also derived analytically. The SE of the original cavity could be directly obtained from this analytical relationship. The accuracy of the proposed method was validated with measurements and the Transmission line matrix (TLM) solver. The results show that the efficiency was largely improved compared with the TLM solver.
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