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This paper presents a new method for determining the permittivity profile of an inhomogeneous material. The measurement method chosen is the transmission line method in coaxial line geometry and simple is included between the two conductors of the coaxial line. The reconstruction process pass throw the resolution of a direct problem and permit therefore to shape a grind datum. The solution to the problem is then obtained by seeking in this grind datum the profile that gives back minimal errors between calculated and observed coefficient.
Ferroelectrics – Taylor & Francis
Published: Nov 14, 2008
Keywords: Inhomogeneous materials; complex permittivity; coaxial line; direct problem; inverse method
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