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Journal Articles Electronics Letters Year : 2013

Method to compensate dispersion effect applied to time domain reflectometry

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Abstract

A new post-processing approach which aims at reducing the dispersion effect of the wave travelling inside a waveguide is presented. The main objective is to improve the time domain reflectometry measurements performed over long-distance cables, relative to the wavelength λ. A real-case scenario is presented so that the gain of this method can be appreciated. Introduction: Cables are present in almost all modern systems. These cables are subject to several electrical, chemical and mechanical stresses. Depending on the application area, such degradation can lead to hard faults (short or open circuits) and therefore catastrophic consequences [1]. Reflectometry methods are commonly used for assessing transmission lines [2]. This Letter overcomes reflectometry's limitations by proposing a signal processing technique based on dynamic cross-correlation for the detection and the localisation of faults over long-distance cables.
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cea-01777448 , version 1 (24-04-2018)

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L. Sommervogel, L. El Sahmarany, L. Incarbone. Method to compensate dispersion effect applied to time domain reflectometry. Electronics Letters, 2013, 49, pp.1154 - 1155. ⟨10.1049/el.2013.1042⟩. ⟨cea-01777448⟩

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