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Erschienen in: Optical and Quantum Electronics 1/2023

01.01.2023

Differentiating trace-to-trace noise effects using novel signal characteristics in phase-sensitive OTDR systems

verfasst von: Muhammad Adeel, Javier Tejedor, Saeed Iqbal, Muhammad Muaz, Aadil Raza, Javier Macias-Guarasa

Erschienen in: Optical and Quantum Electronics | Ausgabe 1/2023

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Abstract

Various noise effects do usually degrade the back-reflected signals of the phase-sensitive optical time-domain reflectometry (\(\phi\)-OTDR) systems. All the induced noise effects in these signals are known to have similar effects to date and therefore, it was impossible to segregate the noise effects. A study regarding the segregation of trace-to-trace fluctuation (TTF) noise in \(\phi\)-OTDR systems is important as it can open doors for noise mitigation in these systems. Moreover, a division of these noise effects into two parts is possible with the help of their characteristics. To do so, one of these noise effects can be characterized as a spatially variable noise (SVN), which is a dominant noise effect within a direct detected \(\phi\)-OTDR system, whereas the second type of noise effect can be characterized as a spatially constant noise (SCN), whose effect is found in both direct and coherent detected \(\phi\)-OTDR systems. These harmful noise effects are characterized in this work by the matched filtering moving (MFM) algorithm. Therefore, we consider that this characterization can be proved as the first step for noise mitigation in \(\phi\)-OTDR systems.

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Metadaten
Titel
Differentiating trace-to-trace noise effects using novel signal characteristics in phase-sensitive OTDR systems
verfasst von
Muhammad Adeel
Javier Tejedor
Saeed Iqbal
Muhammad Muaz
Aadil Raza
Javier Macias-Guarasa
Publikationsdatum
01.01.2023
Verlag
Springer US
Erschienen in
Optical and Quantum Electronics / Ausgabe 1/2023
Print ISSN: 0306-8919
Elektronische ISSN: 1572-817X
DOI
https://doi.org/10.1007/s11082-022-04314-2

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