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Comparison of the Different Reconstruction Techniques of Permittivity From S-Parameters

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2 Author(s)
A. G. Gorriti ; Dept. of Geotechnol., Tech. Univ. of Delft, Netherlands ; E. C. Slob

In this paper, we compare analytical and optimizing reconstruction methods for the electrical permittivity of materials. The reconstruction is done from the measured S-parameters of a coaxial transmission line. We compare the different reconstructions on materials of known electromagnetic properties, air, and ethanol. And, we conclude that two methods, one analytical (propagation matrices) and an optimization ( L_1 norm), are the most appropriate for the reconstruction of permittivities, whether these are low-loss and constant over the frequency range or highly lossy and frequency dependent.

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IEEE Transactions on Geoscience and Remote Sensing  (Volume:43 ,  Issue: 9 )