Low-Frequency Model for Radiofrequency Absorbers

descriptionPublicationkeyboard_double_arrow_right Article 01 May 1995Publisher:National Institute of Standards and Technology (NIST)Journal:Journal of Research of the National Institute of Standards and Technology, volume 100, page 257 (issn: 1044-677X,

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Authors: Randa, J.;

doi: 10.6028/jres.100.018

pmid: 29151739

pmc: PMC4887251

Low-Frequency Model for Radiofrequency Absorbers

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Abstract

A simple model is developed to characterize the behavior of radio-frequency absorbers at low frequency. The absorber is represented by a flat, homogeneous, isotropic slab of lossy material, with effective constitutive parameters. These parameters are determined by a fit to measured data. Excellent fits are obtained in the two applications considered. The model is intended for use in the characterization of absorber-lined chambers at low frequency. It could also be used to predict the low-frequency performance of partially loaded shielded enclosures.

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National Institute of Standards and Technology
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