Sensing shallow structure and traffic noise with fiber-optic internet cables in an urban area

Z Song, X Zeng, J Xie, F Bao, G Zhang - Surveys in Geophysics, 2021 - Springer
Distributed acoustic sensing (DAS) is a novel seismic observation system developed in
recent years that can realize ultrahigh density observations and has attracted extensive …

[HTML][HTML] Recent advances in geoscience using Fiber Bragg Grating (FBG) and Distrusted Acoustic Sensing (DAS) and the road ahead

H ZHANG, QT LÜ, Y ZHANG, ZD LIU, QL LI… - Progress in …, 2023 - en.dzkx.org
Optical fiber communication is one of the greatest innovative achievements in the 20 th
century. Fiber Bragg Grating (FBG) and distributed fiber acoustic sensor have been …

Near-surface characterization using high-speed train seismic data recorded by a distributed acoustic sensing array

J Shao, Y Wang, L Chen - IEEE Transactions on Geoscience …, 2022 - ieeexplore.ieee.org
A high-speed train can be regarded as a moving seismic source when it travels along a
railway. Seismic waves from such sources have strong energy and can be used for near …

[HTML][HTML] 基于MF-J 变换的DAS 观测高阶面波提取和浅地表结构成像

雷宇航, 尹扶, 洪鹤庭, 李娱兰, 王宝善 - 地球物理学报, 2021 - html.rhhz.net
分布式声波传感(DAS) 技术可以将现有城市通信光缆转化为密集宽频带地震观测系统,
利用城市通信光缆进行主/被动源面波成像为城市浅地表结构成像和地下空间探测提供了新手段 …

Distributed acoustic sensing for shallow structure imaging using mechanical noise: A case study in Guangzhou, China

W Jiang, J Lin, B Liu, R Zhang, B Zhang, Z Yang… - Journal of Applied …, 2023 - Elsevier
Abstract Distributed Acoustic Sensing (DAS) is a novel seismic detection technology that
transforms fiber-optic cables into densely sampled seismic stations, showing immense …

Shallow structure imaging using higher-mode Rayleigh waves based on FJ transform in DAS observation

YH LEI, F YIN, HT HONG, YL LI… - Chinese Journal of …, 2021 - en.dzkx.org
Abstract Distributed Acoustic Sensing (DAS) can transform existing urban standard
telecommunication cables into dense broadband seismic observation systems. The use of …

Near-surface characterization using urban traffic noise recorded by fiber-optic distributed acoustic sensing

J Shao, Y Wang, Y Zheng, Y Yao, S Wu… - Frontiers in Earth …, 2022 - frontiersin.org
The recently developed fiber-optic distributed acoustic sensing (DAS) technology has
attracted widespread attention in engineering applications, oil exploration, and …

[HTML][HTML] Cross-fault Newton force measurement for Earthquake prediction

M He, S Ren, Z Tao - Rock Mechanics Bulletin, 2022 - Elsevier
Earthquake prediction is a common scientific challenge for academics worldwide. This
dilemma originates from the lack of precursory indicators that meet the sufficient and …

[HTML][HTML] Comparative analysis of surface and deep underground seismic ambient noise

WT WAN, C CHEN, Y WANG, CM MU, YS HE… - Chinese Journal of …, 2024 - en.dzkx.org
Deep underground spaces have a noise environment lower than the surface, providing an
excellent platform for high-precision and multi-physical fields observation. By conducting a …

Using the three-station interferometry method to improve urban DAS ambient noise tomography

Z Song, X Zeng, B Chi, F Bao, AG Osotuyi - Frontiers in Earth Science, 2022 - frontiersin.org
Distributed acoustic sensing (DAS) is a novel seismological observation technology based
on the fiber-optic sensing method, and can transform existing urban fiber-optic cables into …