Feature extraction and identification in distributed optical-fiber vibration sensing system for oil pipeline safety monitoring
Sign Up to like & getrecommendations! Published in 2017 at "Photonic Sensors"
DOI: 10.1007/s13320-017-0360-1
Abstract: High sensitivity of a distributed optical-fiber vibration sensing (DOVS) system based on the phase-sensitivity optical time domain reflectometry (Φ-OTDR) technology also brings in high nuisance alarm rates (NARs) in real applications. In this paper, feature… read more here.
Keywords: fiber vibration; distributed optical; vibration sensing; identification ... See more keywords
The study on the novel distributed vibration sensing system based on the adjacent FBGs reflected lights interference
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2018.05.051
Abstract: Abstract Due to the different polarization states of the reflected light on the two arms of conventional Michelson interferometer, polarization fading of the interferometric signal occurs when environmental perturbations and noise are existing. To solve… read more here.
Keywords: system; vibration sensing; sensing system; adjacent fbgs ... See more keywords
Advances in distributed vibration sensing for optical communication fiber state visualization
Sign Up to like & getrecommendations! Published in 2020 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2020.102263
Abstract: Abstract This paper describes our recently proposed novel distributed vibration sensing (DVS) measurement technologies for visualizing the state of optical fiber in communication cables. Conventional fault location of optical fiber cable involves the measurement of… read more here.
Keywords: state; communication; vibration; vibration sensing ... See more keywords
USH2A is a Meissner’s corpuscle protein necessary for normal vibration sensing in mice and humans
Sign Up to like & getrecommendations! Published in 2020 at "Nature Neuroscience"
DOI: 10.1038/s41593-020-00751-y
Abstract: Fingertip mechanoreceptors comprise sensory neuron endings together with specialized skin cells that form the end-organ. Exquisitely sensitive, vibration-sensing neurons are associated with Meissner’s corpuscles in the skin. In the present study, we found that USH2A,… read more here.
Keywords: protein; vibration; ush2a meissner; meissner ... See more keywords
Highly sensitive multicore fiber accelerometer for low frequency vibration sensing
Sign Up to like & getrecommendations! Published in 2020 at "Scientific Reports"
DOI: 10.1038/s41598-020-73178-x
Abstract: We report on a compact, highly sensitive all-fiber accelerometer suitable for low frequency and low amplitude vibration sensing. The sensing elements in the device are two short segments of strongly coupled asymmetric multicore fiber (MCF)… read more here.
Keywords: fiber accelerometer; frequency; vibration sensing; highly sensitive ... See more keywords
Distributed Fiber-Optic Vibration Sensing Based on Phase Extraction From Optical Reflectometry
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2016.2604859
Abstract: Distributed fiber-optic vibration sensing based on phase extraction from optical reflectometry is discussed in this paper. The principles on the phase extraction from coherent phase-sensitive optical time-domain reflectometry and time-gated digital optical frequency-domain reflectometry are… read more here.
Keywords: reflectometry; extraction; phase extraction; vibration sensing ... See more keywords
Remote Distributed Vibration Sensing Through Opaque Media Using Permanent Magnets
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Magnetics"
DOI: 10.1109/tmag.2018.2816578
Abstract: Vibration sensing is critical for a variety of applications from structural fatigue monitoring to understanding the modes of airplane wings. In particular, remote sensing techniques are needed for measuring the vibrations of multiple points simultaneously,… read more here.
Keywords: remote distributed; sensing opaque; vibration; vibration sensing ... See more keywords
RFID Harmonic for Vibration Sensing
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Mobile Computing"
DOI: 10.1109/tmc.2019.2963152
Abstract: Conventional vibration sensing systems, equipped with specific sensors (e.g., accelerometer) and communication modules, are either expensive or cumbersome to deploy. Recently research community revisits this classic topic by taking advantage of off-the-shelf RFIDs. However, limited… read more here.
Keywords: rfid; mml; vibration; frequency ... See more keywords
The effect of gauge length on axially incident P‐waves measured using fibre optic distributed vibration sensing
Sign Up to like & getrecommendations! Published in 2017 at "Geophysical Prospecting"
DOI: 10.1111/1365-2478.12419
Abstract: ABSTRACT Distributed vibration sensing, also known as distributed acoustic sensing, is a relatively new method for recording vertical seismic profile data using a fibre optic cable as the sensor. The signal obtained from such systems… read more here.
Keywords: length; gauge length; distributed vibration; vibration sensing ... See more keywords
Phase sensitive distributed vibration sensing based on ultraweak fiber Bragg grating array using double-pulse
Sign Up to like & getrecommendations! Published in 2017 at "Optical Engineering"
DOI: 10.1117/1.oe.56.8.084104
Abstract: A distributed vibration sensing technique using double-optical-pulse based on phase-sensitive optical time-domain reflectometry (φ-OTDR) and an ultraweak fiber Bragg grating (UWFBG) array is proposed for the first time. The single-mode sensing fiber is integrated with… read more here.
Keywords: array; vibration; vibration sensing; fiber ... See more keywords
Investigation of evanescent scattering for low-distortion submicron vibration sensing using ferromagnetic cantilevers.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.380671
Abstract: In this study, we investigate the dynamic performance of a previously reported evanescent-scattering platform for submicron vibration sensing with low distortions. The platform consists of self-assembled ferromagnetic cantilevers located above a liquid-cladded optical waveguide. Theoretical… read more here.
Keywords: evanescent scattering; submicron vibration; vibration sensing; ferromagnetic cantilevers ... See more keywords