[HTML][HTML] Scientific applications of distributed acoustic sensing: State-of-the-art review and perspective

BG Gorshkov, K Yüksel, AA Fotiadi, M Wuilpart… - Sensors, 2022 - mdpi.com
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 …

Enhanced-backscattering and enhanced-backreflection fibers for distributed optical fiber sensors

T Lee, M Beresna, A Masoudi… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
Most distributed optical fiber sensors rely on commercially available telecom fibers, which
are low-loss, inexpensive, and standardized. In the last few years, significant effort has been …

Enhancing the distributed acoustic sensors'(das) performance by the simple noise reduction algorithms sequential application

AT Turov, YA Konstantinov, FL Barkov, DA Korobko… - Algorithms, 2023 - mdpi.com
Moving differential and dynamic window moving averaging are simple and well-known
signal processing algorithms. However, the most common methods of obtaining sufficient …

Fully distributed hydroacoustic sensing based on ultra-highly sensitive and lightweight fiber-optic hydrophone cable

J Chen, H Li, X Xiao, C Fan, B Yan, S Zhang… - Optics and Lasers in …, 2023 - Elsevier
In this paper, we demonstrate a fully distributed hydroacoustic sensing based on the ultra-
highly sensitive and lightweight fiber-optic hydrophone cable assisted with heterodyne …

Study of intra-chamber processes in solid rocket motors by fiber optic sensors

AA Zhirnov, KV Stepanov, SG Sazonkin, TV Choban… - Sensors, 2021 - mdpi.com
In this study, an experimental study of the burning rate of solid fuel in a model solid
propellant rocket motor (SRM) E-5-0 was conducted using a non-invasive control method …

Non-invasive acoustic monitoring of gas turbine units by fiber optic sensors

KV Stepanov, AA Zhirnov, SG Sazonkin, AB Pnev… - Sensors, 2022 - mdpi.com
In this article, we study the possibility of gas turbine unit (GTU) monitoring using
interferometric fiber optic sensors. We used the Mach–Zehnder interferometer (MZI) scheme …

Speech signal enhancement based on deep learning in distributed acoustic sensing

Y Shang, J Yang, W Chen, J Yi, M Sun, Y Du… - Optics express, 2023 - opg.optica.org
The fidelity of a speech signal deteriorates severely in a distributed acoustic sensing (DAS)
system due to the influence of the random noise. In order to improve the measurement …

Solid Rocket Motor Filling Glue Level Sensor Based on Annular Oxide-Doped Fiber Mach–Zehnder Interferometer

Y Zhang, L Fan, Y Zhang, D Wang… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
A novel optical fiber filling glue level sensor based on the oxide-doped optical fiber annular
structure is designed and experimentally fabricated. As far as we know, this is the first time to …

Investigation of signal reception–transmission parameters in a distributed acoustic sensor

AT Turov, FL Barkov, ME Belokrylov, D Claude… - Instruments and …, 2023 - Springer
This paper analyses the spectral, spatial and temporal probing pulse characteristics of the
fiber-optic distributed acoustic sensor prototype. The signal spectral distribution and mean …

Fully Printed PTC Based Heat Transfer Sensor Array as Liquid Level Sensor

R Bäuerle, P Nazari, J Zimmermann… - Advanced Sensor …, 2024 - Wiley Online Library
Liquid levels must be monitored in almost any process involving liquids. Most level sensors
are mounted inside the vessel containing the liquid. Herein, a fully screen‐printed level …