Hardware-Efficient Phase Demodulation for Digital <i>ϕ</i>-OTDR Receivers with Baseband and Analytic Signal Processing

Hardware-Efficient Phase Demodulation for Digital <i>ϕ</i>-OTDR Receivers with Baseband and Analytic Signal Processing

This paper presents hardware-efficient phase demodulation schemes for FPGA-based digital phase-sensitive optical time-domain reflectometry (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>ϕ</mi></se...

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Bibliographic Details
Main Authors: Shangming Du, Tianwei Chen, Can Guo, Yuxing Duan, Song Wu, Lei Liang
Format: Article
Language:English
Published: MDPI AG 2025-05-01
Series:Sensors
Subjects:
distributed acoustic sensing
FPGA
RFSoC
<i>ϕ</i>-OTDR
heterodyne detection
phase demodulation
Online Access:https://www.mdpi.com/1424-8220/25/10/3218
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