Results 11 to 20 of about 19,871 (273)

DAS to discharge: using distributed acoustic sensing (DAS) to infer glacier runoff

Journal of Glaciology
Observations of glacier melt and runoff are of fundamental interest in the study of glaciers and their interactions with their environment. Considerable recent interest has developed around distributed acoustic sensing (DAS), a sensing technique which ...
John-Morgan Manos, Dominik Gräff, Eileen Rose Martin, Patrick Paitz, Fabian Walter, Andreas Fichtner, Bradley Paul Lipovsky   +6 more
doaj   +3 more sources

Comparative Study of Distributed Acoustic Sensing Responses in Telecommunication Optical Cables [PDF]

Sensors
Distributed Acoustic Sensing (DAS) transforms conventional optical fibres into large-scale acoustic sensor arrays. While existing telecommunication cables are increasingly considered for DAS-based monitoring, their performance depends strongly on cable ...
Abdulfatah A. G. Abushagur, Mohd Ridzuan Mokhtar, Noor Shafikah Md Rodzi, Khazaimatol Shima Subari, Siti Azlida Ibrahim, Zulkifli Mahmud, Zulfadzli Yusoff, Andre Franzen, Hairul Abdul Rashid   +8 more
doaj   +2 more sources

Artificial intelligence-driven distributed acoustic sensing technology and engineering application

PhotoniX
Distributed acoustic sensing (DAS) technology is a fiber-optic based distributed sensing technology. It achieves real-time monitoring of acoustic signals by detecting weak disturbances along the fiber. It has advantages such as long measurement distance,
Liyang Shao, Jingming Zhang, Xingwei Chen, Deyu Xu, Huaxin Gu, Qi Mu, Feihong Yu, Shuaiqi Liu, Xiaobing Shi, Jiayao Sun, Zixing Huang, Xiongji Yang, Haifeng Zhang, Yunbin Ma, Han Lu, Chuanqing Liu, Changyuan Yu   +16 more
doaj   +2 more sources

Scientific Applications of Distributed Acoustic Sensing: State-of-the-Art Review and Perspective

Sensors, 2022
This work presents a detailed review of the development of distributed acoustic sensors (DAS) and their newest scientific applications. It covers most areas of human activities, such as the engineering, material, and humanitarian sciences, geophysics ...
Boris G. Gorshkov, Kivilcim Yüksel, Andrei A. Fotiadi, Marc Wuilpart, Dmitry A. Korobko, Andrey A. Zhirnov, Konstantin V. Stepanov, Artem T. Turov, Yuri A. Konstantinov, Ivan A. Lobach   +9 more
doaj   +3 more sources

Near-Wellbore Fracture Diagnosis via Strain Decoupling from Integrated In-Well LF-DAS and DTS Data [PDF]

Sensors
The low-frequency distributed acoustic sensing (LF-DAS) data acquired through fiber-optic cables cemented behind the fracturing well casing can dynamically capture the hydraulic fracturing process.
Jiayi Song, Weibo Sui, Huan Guo, Jiwen Li   +3 more
doaj   +2 more sources

Real-time monitoring of water states in large-diameter aqueducts – learning from distributed acoustic sensing signals [PDF]

Communications Engineering
Large-diameter gravity aqueducts are essential for water supply systems but face performance and safety risks from complex flow conditions. Effective flow-state monitoring is critical for hydraulic performance and infrastructure safety.
Dao-Yuan Tan, Zhen-Yu Tang, Zhen-Rui Yan, Jing Wang, Wei Zhang, Jing-Wu Huang, Peng Wang, Zhiguo Yuan, Huan-Feng Duan, Bin Shi, Hong-Hu Zhu   +10 more
doaj   +2 more sources

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

Scientific Data
Distributed acoustic sensing (DAS) is an emerging technology with diverse applications in monitoring infrastructure, security systems, and environmental sensing.
Petr Dejdar, Ondrej Mokry, Petr Munster, Tomas Horvath, Jiri Schimmel   +4 more
doaj   +2 more sources

Assessing the feasibility of Distributed Acoustic Sensing (DAS) for moonquake detection

Earth and Planetary Science Letters
Moonquakes can provide valuable insights into the lunar interior and its geophysical processes. However, extreme scattering of the lunar seismic waves makes seismic phase identification and source characterization difficult. In recent years, Distributed Acoustic Sensing (DAS) technology has emerged as a promising tool for seismic monitoring on Earth by
Qiushi Zhai, Allen L Husker, Zhongwen Zhan   +2 more
exaly   +3 more sources

Distributed Acoustic Sensing in Geophysics: Influence of DAS parameters on seismic measurements [PDF]

E3S Web of Conferences
Distributed Acoustic Sensing is now a proven solution to record seismic data over long distances and dense geometries. It fundamentally differs however from traditional geophone or hydrophone measurements as the wavefield is sampled on a non-zero length ...
Duret Florian, Chauvet Roxane, Nziengui-Ba Destin   +2 more
doaj   +2 more sources

Airborne Sound Sensing System Based on DAS and Ultra-Simple Transducer Structure

Photonics, 2022
Fiber-distributed optical fiber acoustic sensor (DAS) is generally used in distributed long-distance acoustic/vibration measurement. Recently, DAS is also used in weak airborne sound detection.
Jianfang Tang, Minghao Hu, Gan Jiang, Xuanyu Zheng, Fei Peng   +4 more
doaj   +1 more source