Comparison of Amplitude-Frequency Response Characteristics between DCM and Arctan Algorithms in Φ-OTDR

In phase-sensitive optical time-domain reflectometry (ϕ-OTDR) systems, DCM and Arctan demodulation algorithms are typically used to recover the information on vibration events along the fiber. The amplitude-frequency response characteristics of the DCM and Arctan algorithms are investigated and comp...

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Veröffentlicht in:	Journal of lightwave technology Jg. 41; H. 20; S. 1 - 7
Hauptverfasser:	Wang, Tingyu, Zhang, Jianzhong, Ma, Zhe, Liu, Ming, He, Xiang, Li, Weizhe, Yang, Binyuan, Zhang, Mingjiang
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	New York IEEE 15.10.2023 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:	3×3 Coupler Adaptive optics Algorithms Amplitudes Demodulation Differential equations Distributed fiber sensing Error analysis Frequency ranges Frequency response Operators (mathematics) Optical fiber sensors Optical pulses Optical scattering Phase demodulation Phase error Pulse repetition frequency Time-frequency analysis Vibration Vibrations Φ-OTDR
ISSN:	0733-8724, 1558-2213
Online-Zugang:	Volltext
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