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Math. Comput. Appl. 2003, 8(3), 319-326; doi:10.3390/mca8030319

Determination of Complex Dielectric Permittivity of Loss Materials at Microwave Frequencies

Department of Electrical and Electronics Engineering, Cukurova University, Adana, 01330, Turkey
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Published: 1 December 2003
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Abstract

The method of determination of complex dielectric permIttIvIty of loss materials at microwave frequencies (X-band) using measured amplitudes of reflection and transmission coefficients and numerical calculations is developed. Different numerical methods namely graphical, bisection (halving), newton, and secant, are applied in order to determine the permittivity of cement-based materials. Simulation time and errors of these methods are compared. It is shown that the fastest and most accurate method is the bisection (halving) method because it is a global method.
Keywords: Complex dielectric permittivity of loss materials; root-finding and graphical methods; cement-based materials; microwave measurement. Complex dielectric permittivity of loss materials; root-finding and graphical methods; cement-based materials; microwave measurement.
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Hasar, U.C.; Akay, M.F.; Kharkovsky, S.N. Determination of Complex Dielectric Permittivity of Loss Materials at Microwave Frequencies. Math. Comput. Appl. 2003, 8, 319-326.

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