Discussion on the sensitivity of optical cables based on distributed acoustic sensing
Sign Up to like & getrecommendations! Published in 2019 at "Optical Review"
DOI: 10.1007/s10043-019-00547-x
Abstract: Distributed acoustic sensing (DAS) technology plays an increasingly important role in the field of underwater acoustic detection because of its own advantages. To measure acoustic pressure sensitivity of seven kinds of optical cables in the… read more here.
Keywords: optical cables; pressure sensitivity; acoustic pressure; sensitivity ... See more keywords
Characterising sediment thickness beneath a Greenlandic outlet glacier using distributed acoustic sensing: preliminary observations and progress towards an efficient machine learning approach
Sign Up to like & getrecommendations! Published in 2023 at "Annals of Glaciology"
DOI: 10.1017/aog.2023.15
Abstract: Distributed Acoustic Sensing (DAS) is increasingly recognised as a valuable tool for glaciological seismic applications, although analysing the large data volumes generated in acquisitions poses computational challenges. We show the potential of active-source DAS to… read more here.
Keywords: beneath; outlet glacier; acoustic sensing; machine learning ... See more keywords
Distributed Acoustic Sensing of Seismic Properties in a Borehole Drilled on a Fast‐Flowing Greenlandic Outlet Glacier
Sign Up to like & getrecommendations! Published in 2020 at "Geophysical Research Letters"
DOI: 10.1029/2020gl088148
Abstract: Distributed Acoustic Sensing (DAS) is a new technology in which seismic energy is detected, at high spatial and temporal resolution, using the propagation of laser pulses in a fiber‐optic cable. We show analyses from the… read more here.
Keywords: fast flowing; distributed acoustic; outlet; acoustic sensing ... See more keywords
Acoustic Sensing of Glacial Discharge in Greenland
Sign Up to like & getrecommendations! Published in 2023 at "Geophysical Research Letters"
DOI: 10.1029/2023gl103235
Abstract: The accessibility and simplicity of monitoring instruments and processing methods are crucial for environmental monitoring worldwide. There is growing evidence that proglacial discharge may be observed by listening to the glacier terminus using sophisticated tools,… read more here.
Keywords: acoustic sensing; discharge greenland; sensing glacial; discharge ... See more keywords
Ultra-broadband local active noise control with remote acoustic sensing
Sign Up to like & getrecommendations! Published in 2020 at "Scientific Reports"
DOI: 10.1038/s41598-020-77614-w
Abstract: One enduring challenge for controlling high frequency sound in local active noise control (ANC) systems is to obtain the acoustic signal at the specific location to be controlled. In some applications such as in ANC… read more here.
Keywords: system; active noise; local active; remote acoustic ... See more keywords
Distributed Acoustic Sensing With Sensitivity-Enhanced Optical Cable
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2020.3035002
Abstract: Fiber-optic distributed acoustic sensing (DAS) technology has many outstanding advantages, such as long sensing range, high detection efficiency, wide frequency response, low operation cost, long working lifetime, et al. It can be anticipated that DAS… read more here.
Keywords: distributed acoustic; sensitivity; acoustic sensing; optical cable ... See more keywords
A Review of Emerging Electromagnetic-Acoustic Sensing Techniques for Healthcare Monitoring
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Biomedical Circuits and Systems"
DOI: 10.1109/tbcas.2022.3226290
Abstract: Conventional electromagnetic (EM) sensing techniques such as radar and LiDAR are widely used for remote sensing, vehicle applications, weather monitoring, and clinical monitoring. Acoustic techniques such as sonar and ultrasound sensors are also used for… read more here.
Keywords: electromagnetic acoustic; acoustic sensing; healthcare monitoring; sensing techniques ... See more keywords
Acoustic Sensing as a Novel Wearable Approach for Heart Rate Variability Monitoring at the Wrist
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2021.3088422
Abstract: Heart rate variability (HRV) is an important physiological parameter to assess the status of the autonomic nervous system (ANS) and diagnose cardiovascular diseases (CVDs). HRV is generally extracted from the cardiac activity monitored at the… read more here.
Keywords: heart rate; heart; wearable approach; acoustic sensing ... See more keywords
Vertical seismic profiling using distributed acoustic sensing with scatter‐enhanced fibre‐optic cable at the Cu–Au New Afton porphyry deposit, British Columbia, Canada
Sign Up to like & getrecommendations! Published in 2019 at "Geophysical Prospecting"
DOI: 10.1111/1365-2478.12828
Abstract: ABSTRACT Wireline logs and vertical seismic profile data were acquired in two boreholes intersecting the main mineralized zone at the Cu–Au New Afton porphyry deposit, Canada, with the objectives of imaging lithological contacts, fault zones… read more here.
Keywords: fibre optic; new afton; optic cable; vertical seismic ... See more keywords
Mini-distributed acoustic sensing module for submarine application
Sign Up to like & getrecommendations! Published in 2021 at "Optical Engineering"
DOI: 10.1117/1.oe.60.3.034106
Abstract: Abstract. High-resolution submarine seismic survey techniques have become necessary in many actual geological and geophysical investigations. A new type of mini-distributed acoustic sensing (DAS) module is developed for working at the bottom of the sea… read more here.
Keywords: distributed acoustic; submarine; mini distributed; acoustic sensing ... See more keywords
Quiet micro boats: An inexpensive acoustic sensing suite
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.4988876
Abstract: The Quiet Micro Boat [QMB] is an inexpensive acoustic sensing platform constructed from off-the-shelf hardware and software components to allow for a fleet of acoustic sensors that can be deployed into real-world sensing scenarios at… read more here.
Keywords: boats inexpensive; quiet micro; micro boats; inexpensive acoustic ... See more keywords