A Fading Suppression Method for Φ-OTDR Systems Based on Multi-Domain Multiplexing

A Fading Suppression Method for Φ-OTDR Systems Based on Multi-Domain Multiplexing

The phase-sensitive optical time domain reflectometry (Φ-OTDR) has been widely applied in various fields. However, due to fading noise, false alarms often occur; this limits its engineering applications. In this paper, a fading suppression method for Φ-OTDR systems based on multi-domain multiplexing...

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Bibliographic Details
Main Authors: Shuai Tong, Shaoxiong Tang, Yifan Lu, Nuo Yuan, Chi Zhang, Huanhuan Liu, Dao Zhang, Ningmu Zou, Xuping Zhang, Yixin Zhang
Format: Article
Language:English
Published: MDPI AG 2025-04-01
Series:Sensors
Subjects:
phase-sensitive optical time domain reflectometry (Φ-OTDR)
fading noise
spatial-domain multiplexing (SDM)
polarization-domain multiplexing (PDM)
frequency-domain multiplexing (FDM)
spatial weighting
Online Access:https://www.mdpi.com/1424-8220/25/8/2629
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