Distributed acoustic sensing for seismic activity monitoring
APL Photonics, 2020 Continuous, real-time monitoring of surface seismic activity around the globe is of great interest for acquiring new insight into global tomography analyses and for recognition of seismic patterns leading to potentially hazardous situations.
María R. Fernández-Ruiz +6 more
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A Comprehensive Study of Optical Fiber Acoustic Sensing
IEEE Access, 2019 The optical fiber acoustic sensing system is suitable for long-distance monitoring of the acoustic signals generated by the external disturbances. According to the continuity of sensing units, quasi-distributed and distributed optical fiber acoustic ...
Yu Wang +6 more
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New role for communication fibre optic cables in water utility for leak detection on main water pipeline [PDF]
Tehnika, 2015 During construction of main water pipeline it is usual practice to lay fibre optic communication cable along water pipe. This cable is one of the up to date communication media which is used for the connection purposes of water control SCADA equipment as
Graovac Radojica M. +1 more
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Development and testing of a dual accelerometer vector sensor for AUV acoustic surveys [PDF]
, 2017 This paper presents the design, manufacturing and testing of a Dual Accelerometer Vector Sensor (DAVS). The device was built within the activities of theWiMUST project, supported under the Horizon 2020 Framework Programme, which aims to improve the ...
Agni Mantouka +10 more
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Evaluating seismic beamforming capabilities of distributed acoustic sensing arrays [PDF]
Solid Earth, 2021 The versatility and cost efficiency of fibre-optic distributed acoustic sensing (DAS) technologies facilitate geophysical monitoring in environments that were previously inaccessible for instrumentation.
M. P. A. van den Ende, J.-P. Ampuero
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Research progress of earth exploration technologies based on distributed acoustic sensing
地质科技通报, 2023 As a new type of fiber optic sensing technology for long-distance, distributed and real-time monitoring, distributed acoustic sensing (DAS) has been a wide concern since its initiation.
Wei Liu +3 more
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Random matrix theory based distributed acoustic sensing
Optical Sensors 2019, 2019 Random matrices exhibit interesting statistical properties which are studied under random matrix theory (RMT). In this research study, we present a novel approach for fiber optic distributed acoustic vibration sensing (DAS) systems which is based on the recent results of RMT.
Olcer, Ibrahim, Oncu, Ahmet
openaire +2 more sources
Remote sensing of sediment characteristics by optimized echo-envelope matching [PDF]
, 2003 A sediment geoacoustic parameter estimation technique is described which compares bottom returns, measured by a calibrated monostatic sonar oriented within 15° of vertical and having a 10°–21° beamwidth, with an echo envelope model based on high ...
de Moustier, Christian +1 more
core +2 more sources
The cornerstone of fiber-optic distributed vibration/acoustic sensing: Ф-OTDR
Opto-Electronic Advances, 2023 Fiber-optic distributed vibration/acoustic sensing (DVS/DAS) technology achieves breakthrough performance and explores broad cornerstone industrial applications.
Yunjiang Rao
doaj +1 more source
Combined electronic nose and tongue for a flavour sensing system [PDF]
, 2011 We present a novel, smart sensing system developed for the flavour analysis of liquids. The system comprises both a so-called "electronic tongue" based on shear horizontal surface acoustic wave (SH-SAW) sensors analysing the liquid phase and a so-called "
Cole, Marina +2 more
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