Cemented fibers as a test-bed for distributed acoustic sensing (DAS)
Distributed Acoustic Sensing (DAS) has become very popular for recording seismic waves in recent years as it provides dense spatial sampling along an optical fiber with only one single interrogator unit (IU) needed for thousands of channels. Fibers can be several tens of kilometers long and in some applications so-called dark-fibers can be used, which ...Thomas Forbriger +8 more
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A Metadata Exchange Model for Distributed Acoustic Sensing (DAS) by the DAS-RCN Data Management Team
2023The 28th IUGG General Assembly (IUGG2023) (Berlin 2023)
Kathleen Hodgkinson +3 more
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Numerical Study of Distributed Acoustic Sensing (DAS) for Railway Condition Monitoring
Volume 3: Advanced Manufacturing, 2023Abstract One of the most paramount factors for the railroad industry is the safe transportation of cargo and passengers. For the safe movement of locomotives, real-time tracking of trains and their cargo is critical and necessary. Current tracking systems face many challenges from weather interference to expensive implementations.
Michael Jones +3 more
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Possibility of Distributed Acoustic Sensing (DAS) for Geophysical Problems Solution
24th European Meeting of Environmental and Engineering Geophysics, 2018Summary In systems based on fiber-optic sensors, an optical fiber can serve as both a medium for transmitting information and a sensitive element. The DAS (Distributed Acoustic Sensing) technology deploys optical fiber as a sensor for measuring acoustic effects with high spatial resolution over entire length of receiving system.
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Towards Tsunami Early-Warning with Distributed Acoustic Sensing (DAS)
Although Tsunami Early Warning Systems (TEWS) are in operation, they are yet to become the norm, mainly due to the high cost of installation and operation of offshore instrumentation with sufficient spatial coverage and spatial density of instruments. Tsunami observations are made mostly by coastal tide gauges, fixed moorings located offshore such as ...Carlos Becerril +4 more
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A Metadata Exchange Model for Distributed Acoustic Sensing (DAS)
Conference on Data Analysis 2023 - Santa Fe, New Mexico, United States of America - March - 2023, 2023Kathleen Hodgkinson +4 more
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Toward a Metadata Standard for Distributed Acoustic Sensing (DAS) Data Collection
Seismological Research LettersAbstract With increasing geophysical applications using distributed acoustic sensing (DAS) technology, there is a need to implement a metadata standard specifically for DAS to facilitate the integration of DAS measurements across experiments and increase reusability.
Voon Hui Lai +3 more
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Noise Analysis of Distributed Acoustic Sensing (DAS) Data in Borehole Installations
Seismological Research LettersAbstract Distributed acoustic sensing (DAS) is a technology that is revolutionizing seismic data acquisition, particularly in borehole installations. Acting as a dense array of receivers, DAS provides high coverage, revealing time-depth patterns that are often hidden in data acquired with traditional seismometers.
Davide Pecci +5 more
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Distributed acoustic sensing (DAS) to velocity transform and its benefits
SEG Technical Program Expanded Abstracts 2020, 2020Ali Sayed +2 more
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DAS-N2N: machine learning distributed acoustic sensing (DAS) signal denoising without clean data
Geophysical Journal International, 2023Sacha Lapins, Maximilian J Werner
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