Multimode Consideration in the Analysis of Shielding Effectiveness of a Metallic Enclosure with Off-Centred Apertures

In this paper, an approach to the shielding effectiveness evaluation of a metallic enclosure with off-centered apertures is discussed. It has been previously shown that a simple analytical transmission line formulation gives good predictions of the shielding effectiveness of a metallic enclosure wit...

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Bibliographic Details
Main Authors: Farhana Ahmad Po'ad, Mohd Zarar Mohd Jenu, Christopoulos, C., Thomas, D.W.P.
Format: Conference Proceeding
Language:English
Subjects:
Apertures
circuit modelling
Distributed parameter circuits
Electromagnetic coupling
Electromagnetic shielding
Equivalent circuits
Frequency estimation
Impedance
multimode
Propagation constant
shielded enclosure
shielding effectiveness
Transmission line theory
Voltage
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Summary:In this paper, an approach to the shielding effectiveness evaluation of a metallic enclosure with off-centered apertures is discussed. It has been previously shown that a simple analytical transmission line formulation gives good predictions of the shielding effectiveness of a metallic enclosure with off-centered apertures. In this work the model is extended to include higher order modes in the transmission line (TL) models. The loading effect of electronic components within the enclosure is modeled by the introduction of losses. The model remains very simple and computationally efficient
DOI:10.1109/RFM.2006.331091