General effective medium model for the complex permittivity extraction with an open-ended coaxial probe in presence of a multilayer material under test

Pérez Cesaretti, Mauricio David (2012) General effective medium model for the complex permittivity extraction with an open-ended coaxial probe in presence of a multilayer material under test, [Dissertation thesis], Alma Mater Studiorum Università di Bologna. Dottorato di ricerca in Ingegneria elettrotecnica, 24 Ciclo. DOI 10.6092/unibo/amsdottorato/4479.
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Abstract

The work presented in this thesis is focused on the open-ended coaxial-probe frequency-domain reflectometry technique for complex permittivity measurement at microwave frequencies of dispersive dielectric multilayer materials. An effective dielectric model is introduced and validated to extend the applicability of this technique to multilayer materials in on-line system context. In addition, the thesis presents: 1) a numerical study regarding the imperfectness of the contact at the probe-material interface, 2) a review of the available models and techniques, 3) a new classification of the extraction schemes with guidelines on how they can be used to improve the overall performance of the probe according to the problem requirements.

Abstract
Tipologia del documento
Tesi di dottorato
Autore
Pérez Cesaretti, Mauricio David
Supervisore
Dottorato di ricerca
Scuola di dottorato
Ingegneria industriale
Ciclo
24
Coordinatore
Settore disciplinare
Settore concorsuale
Parole chiave
dielectric medium, multilayer, effective dielectric model, open-ended coaxial probe, frequency-domain reflectometry, microwave, complex permittivity, material characterization, imperfect contact, extraction scheme, aperture admittance model
URN:NBN
DOI
10.6092/unibo/amsdottorato/4479
Data di discussione
8 Maggio 2012
URI

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