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Shielding effectiveness estimation of enclosures with apertures

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3 Author(s)
Belokour, I. ; Dept. of Electr. Eng., Univ. of Western Ontario, London, Ont., Canada ; LoVetri, J. ; Kashyap, S.

A curve fitting technique has been used to develop a “phenomenological” model based on numerically collected data for the coupling of electromagnetic energy through apertures into enclosures. It has been shown elsewhere that a simple transmission line formulation predicts well the shielding effectiveness of a rectangular enclosure with apertures. The finite difference time-domain method is used for computing electromagnetic fields within the enclosure with apertures. The investigation is focused on the estimation of shielding effectiveness depending on the number of apertures, their area, test point location within the enclosure as well as the incidence angle and polarization of the electromagnetic field impinging on the enclosure. The obtained results allow estimation of the shielding effectiveness at the enclosure design stage

Published in:

Electromagnetic Compatibility, 2000. IEEE International Symposium on  (Volume:2 )

Date of Conference:

2000