Determination of conductivity profiles by time-domain reflectometry

Abstract : A new numerical method for the reconstitution of the inhomogeneous media conductivity is described. The conducting medium is nonmagnetic, and its relative permittivity equals one. Its frequency-independent conductivity varies normally to its interface. The medium is normally illuminated by a transverse electromagnetic (TEM) plane wave of causal time dependence. The reconstruction process is a direct approach to the inverse problem. It is based on a space time discretization of an exact integral equation. The conductivity profile is determined step-by-step without approximations other than numerical. Some examples are given to illustrate the most interesting properties of the method; special attention is given to the simulation of experimental errors.
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Contributor : Dominique Lesselier <>
Submitted on : Wednesday, January 27, 2016 - 12:16:45 PM
Last modification on : Thursday, April 5, 2018 - 12:30:05 PM

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J.-C. Bolomey, C. Durix, D. Lesselier. Determination of conductivity profiles by time-domain reflectometry. IEEE Transactions on Antennas and Propagation, Institute of Electrical and Electronics Engineers, 1979, 27 (2), pp.244-248. ⟨10.1109/TAP.1979.1142067⟩. ⟨hal-01262878⟩

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