NDLI: Mesure et analyse de l’efficacité du blindage électromagnétique à base de polystyrène conducteur à impact élevé associé à des charges de noir de carbone.

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Mesure et analyse de l’efficacité du blindage électromagnétique à base de polystyrène conducteur à impact élevé associé à des charges de noir de carbone.

Content Provider	Semantic Scholar
Author	Ammour, Soumia
Copyright Year	2017
Abstract	The aim of this work is to measure and analyze the electromagnetic shielding effectiveness made of high impact conductive polystyrene associated with carbon black loads (HIPS/NC). We studied the effect of frequency, of angle of incidence and polarization of electromagnetic wave on the reflection loss, the absorption loss, the multiple internal reflections and the shielding effectiveness. The theoretical study of the properties of electromagnetic shielding is carried out using the simplified matrix form of the transmission line theory. The experimental measurements are carried out using the rectangular waveguide associated with the vector network analyzer in a frequency range from 2 to 3 GHz. Then, and in order to broaden the frequency domain, we measured the shielding effectiveness by using the anechoic chamber between 10 MHz and 26.5 GHz. The (HIPS/NC) exhibits an shielding effectiveness of 4.5 dB in 10 MHz and 12 dB in 23 GHz. In addition, we obtained a good agreement between the theoretical and experimental values with a very slight difference of ± 0.5 dB due to measurement uncertainties.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://dspace.univ-tlemcen.dz/bitstream/112/12047/1/Mesure-et-analyse-de-lefficacite-du-blindage-electromagnetique-a-base-de-polystyrene-conducteur-a-impact-eleve-associe-a-des-charges-de-noir-de-carbone.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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