Avaliação dos principais modelos de admitância da sonda coaxial aberta para medidas de permissividade elétrica

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Daniel Henrique da Silva Souza
José Carlos Araujo dos Santos

Abstract

The accurate knowledge of the dielectric properties of
materials, especially permittivity, is essential in several areas of
engineering. The present work deals with the reflective method of
dielectric characterization based on coaxial sensors. It presents an
evaluation of various admittance models available in the literature
for the sensor and a comparison between them, attempting to
identify a fast and accurate model for practical applications. In this
context, the two inherent problems to the coaxial probe method are
addressed, one related to the admittance determination as a
function of permittivity (direct problem) and another related to the
permittivity determination as a function of admittance (reverse
problem). In the present work, the solutions of the direct problem
available in the literature are addressed.

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How to Cite
Henrique da Silva Souza, D., & Araujo dos Santos, J. C. (2023). Avaliação dos principais modelos de admitância da sonda coaxial aberta para medidas de permissividade elétrica . Revista Militar De Ciência E Tecnologia, 39(4), 135-168. Retrieved from http://www.ebrevistas.eb.mil.br/CT/article/view/9896
Section
Engenharia Elétrica