Shielding analysis of enclosure with aperture irradiated by plane wave with arbitrary incident angle and polarization direction

An analytical formulation has been developed for shielding effectiveness calculation of rectangular enclosure with an off-center aperture. It deals with more general case including arbitrary located aperture and high frequency incident wave by making use of high-order TEmn mode transmission line mod...

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Bibliographic Details
Main Authors: Dan Shi, Yuanmao Shen, Fangmin Ruan, Zhongan Wei, Yougang Gao
Format: Conference Proceeding
Language:English
Subjects:
aperture
Apertures
Electromagnetic compatibility
enclosure
Impedance
oblique incident wave
Polarization
Power transmission lines
Reflection
Resonant frequency
shielding effectiveness
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Description
Summary:An analytical formulation has been developed for shielding effectiveness calculation of rectangular enclosure with an off-center aperture. It deals with more general case including arbitrary located aperture and high frequency incident wave by making use of high-order TEmn mode transmission line model. The incident electromagnetic field impinges on the enclosure with arbitrary incident angle and polarization direction. Oblique incident wave is investigated by decomposing it into perpendicular polarization component and parallel polarization component. Relationship between shielding effectiveness and incident angle, polarization direction, aperture size, test point location as well as frequency are investigated.
ISSN:2158-110X
2158-1118
DOI:10.1109/ISEMC.2008.4652130