Phase Unwrapping Method of Φ-OTDR System Based on Recursive-Branch-Cut Algorithm

Phase unwrapping is a crucial technique in phase-sensitive optical time domain reflectometry (Φ-OTDR) systems. Due to the effects of system under-sampling, I/Q imbalance and environmental noise, the traditional method of unwrapping the phase is prone to wrapping or even distortion. In this work, a t...

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Bibliographic Details
Published in:	IEEE sensors journal Vol. 23; no. 18; p. 1
Main Authors:	Bai, Yu-xin, Lin, Ting-ting, Zhong, Zhi-cheng, Wu, Yong-peng
Format:	Journal Article
Language:	English
Published:	New York IEEE 15.09.2023 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	Algorithms Background noise Demodulation Dynamic range Noise propagation Optical noise Phase distribution Phase unwrapping RBC Real-time systems Strain Vibrations Waveforms Windings Wrapping Φ-OTDR
ISSN:	1530-437X, 1558-1748
Online Access:	Get full text
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