Experimental validation of the inverse scattering method for distributed characteristic impedance estimation

Florent Loete 1 Qinghua Zhang 2, 3 Michel Sorine 4
3 I4S - Statistical Inference for Structural Health Monitoring
IFSTTAR/COSYS - Département Composants et Systèmes, Inria Rennes – Bretagne Atlantique
4 QUANTIC - QUANTum Information Circuits
ENS Paris - École normale supérieure - Paris, Inria Paris-Rocquencourt, UPMC - Université Pierre et Marie Curie - Paris 6, MINES ParisTech - École nationale supérieure des mines de Paris, CNRS - Centre National de la Recherche Scientifique : UMR8551
Abstract : — Recently published theoretic results and numerical simulations have shown the ability of inverse scattering-based methods to diagnose soft faults in electric cables, in particular, faults implying smooth spatial variations of cable characteristic parameters. The purpose of the present paper is to report laboratory experiments confirming the ability of the inverse scattering method for retrieving spatially distributed characteristic impedance from reflectometry measurements. Various smooth or stepped spatial variations of characteristic impedance profiles are tested. The tested electric cables are CAN unshielded twisted pairs used in trucks and coaxial cables.
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Florent Loete, Qinghua Zhang, Michel Sorine. Experimental validation of the inverse scattering method for distributed characteristic impedance estimation. IEEE Transactions on Antennas and Propagation, Institute of Electrical and Electronics Engineers, 2015, 63 (6), pp.7. ⟨10.1109/TAP.2015.2417215⟩. ⟨hal-01231807⟩

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