Compressed quasi-distributed dynamic strain sensing

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Abstract

The dynamic strain between two discrete reflectors in a quasi-DAS φ-OTDR system was successfully measured, although the spatial resolution of the system was insufficient to resolve the reflectors using standard reconstruction and the backscatter profile was randomly sub-sampled. This was achieved with two different Compressed Sensing (CS) techniques whose performances, in terms of SNR and sensitivity, were analyzed in this work. The two methods significantly outperformed conventional processing while using as low as 14% of the original sampled data.

Original languageEnglish
Title of host publicationOptical Fiber Sensors, OFS 2020
PublisherOptica Publishing Group (formerly OSA)
ISBN (Electronic)9781557523075
StatePublished - 2020
Event27th International Conference on Optical Fiber Sensors, OFS 2020 - Washington, United States
Duration: 8 Jun 202012 Jun 2020

Publication series

NameOptics InfoBase Conference Papers

Conference

Conference27th International Conference on Optical Fiber Sensors, OFS 2020
Country/TerritoryUnited States
CityWashington
Period8/06/2012/06/20

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