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Research Progress in Distributed Acoustic Sensing Techniques [PDF]

open access: goldSensors, 2022
Distributed acoustic sensing techniques based on Rayleigh scattering have been widely used in many applications due to their unique advantages, such as long-distance detection, high spatial resolution, and wide sensing bandwidth.
Ying Shang   +9 more
doaj   +6 more sources

Earthquake focal mechanisms with distributed acoustic sensing [PDF]

open access: yesNature Communications, 2023
Earthquake focal mechanisms provide critical in-situ insights about the subsurface faulting geometry and stress state.
Jiaxuan Li   +3 more
doaj   +6 more sources

Filtering Strategies for Deformation-Rate Distributed Acoustic Sensing [PDF]

open access: yesSensors, 2022
Deformation-rate distributed acoustic sensing (DAS), made available by the unique designs of certain interrogator units, acquires seismic data that are theoretically equivalent to the along-fiber particle velocity motion recorded by geophones for ...
Jihyun Yang, Jeffrey Shragge, Ge Jin
doaj   +4 more sources

Fibre optic distributed acoustic sensing of volcanic events [PDF]

open access: yesNature Communications, 2022
Fibre Optic Distributed Acoustic Sensing on Mount Etna provides new opportunities for monitoring volcanic processes and demonstrates nonlinear interaction of infrasound wave with scoria layer, mapping its thickness and illuminating hidden structures.
Philippe Jousset   +8 more
doaj   +6 more sources

Surface distributed acoustic sensing for mineral exploration [PDF]

open access: yesScientific Reports
As a receiver array for active-source seismic studies, the use of distributed acoustic sensing (DAS) technology is well established for vertical seismic profiling.
Lea Gyger   +4 more
doaj   +2 more sources

Physics-based earthquake early warning using distributed acoustic sensing [PDF]

open access: yesScientific Reports
We present a physics-based point source earthquake early warning system using distributed acoustic sensing (DAS) data. All core modules of the system are based on physical principles of wave propagation, and models that describe the earthquake source and
Shahar Ben-Zeev, Itzhak Lior
doaj   +2 more sources

Leakage Detection Using Distributed Acoustic Sensing in Gas Pipelines [PDF]

open access: yesSensors
This study investigates the performance of Distributed Acoustic Sensing (DAS) for detecting gas pipeline leaks under controlled experimental conditions, using multiple fiber cable types deployed both internally and externally.
Mouna-Keltoum Benabid   +3 more
doaj   +2 more sources

Decoding Fluid Flow Characteristics Through Distributed Acoustic Sensing: A Novel Approach [PDF]

open access: yesSensors
Flow characteristic monitoring includes parameters such as flow regime, fluid characteristic frequency, and flow rate, which are crucial for optimizing production and ensuring the safety of oil and gas transportation systems.
Haochu Ku   +4 more
doaj   +2 more sources

Distributed Acoustic Sensing of Sounds in Audible Spectrum in Realistic Optical Cable Infrastructure [PDF]

open access: yesScientific Data
Distributed acoustic sensing (DAS) is an emerging technology with diverse applications in monitoring infrastructure, security systems, and environmental sensing.
Petr Dejdar   +4 more
doaj   +2 more sources

Distributed acoustic sensing for active offshore shear wave profiling [PDF]

open access: yesScientific Reports, 2022
The long-term sustainability of the offshore wind industry requires the development of appropriate investigative methods to enable less conservative and more cost-effective geotechnical engineering design.
Andrew Trafford   +6 more
doaj   +2 more sources

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