Development of Real-Time Time Gated Digital (TGD) OFDR Method and Its Performance Verification

Development of Real-Time Time Gated Digital (TGD) OFDR Method and Its Performance Verification

Distributed acoustic sensing (DAS) in optical fibers detect dynamic strains or sound waves by measuring the phase or amplitude changes of the scattered light. This contrasts with other distributed (and more conventional) methods, such as distributed temperature (DTS) or strain (DSS), which measure q...

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Bibliographic Details
Main Authors: Kinzo Kishida, Artur Guzik, Ken’ichi Nishiguchi, Che-Hsien Li, Daiji Azuma, Qingwen Liu, Zuyuan He
Format: Article
Language:English
Published: MDPI AG 2021-07-01
Series:Sensors
Subjects:
OFDR type DAS
phase fading solution
high SNR
real-time events detection
Online Access:https://www.mdpi.com/1424-8220/21/14/4865

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