Purpose – The dielectric properties of materials (complex permittivity) can be deduced from the a... more Purpose – The dielectric properties of materials (complex permittivity) can be deduced from the admittance measured at the discontinuity plane of a coaxial open-ended probe. This implies the implementation of an inversion procedure. The purpose of this paper is to develop a new non-iterative inversion methodology in the field of microwave characterization allowing reducing the computation cost comparatively to iterative
The aim of this study is to determine the complex permittivity of dielectric materials using a co... more The aim of this study is to determine the complex permittivity of dielectric materials using a coaxial discontinuity and the combination of neural networks (NN) with the finite element method. Two types of measurement cells are used. One is for solid samples and the other one for liquids. Data sets used to train neural networks are created using the finite
Purpose – The dielectric properties of materials (complex permittivity) can be deduced from the a... more Purpose – The dielectric properties of materials (complex permittivity) can be deduced from the admittance measured at the discontinuity plane of a coaxial open-ended probe. This implies the implementation of an inversion procedure. The purpose of this paper is to develop a new non-iterative inversion methodology in the field of microwave characterization allowing reducing the computation cost comparatively to iterative
The aim of this study is to determine the complex permittivity of dielectric materials using a co... more The aim of this study is to determine the complex permittivity of dielectric materials using a coaxial discontinuity and the combination of neural networks (NN) with the finite element method. Two types of measurement cells are used. One is for solid samples and the other one for liquids. Data sets used to train neural networks are created using the finite
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