Intelligent water perimeter security event recognition based on NAM-MAE and distributed optic fiber acoustic sensing system

M Sun, M Yu, H Wang, K Song, X Guo, S Xue… - Optics …, 2023 - opg.optica.org
Distributed optical acoustic sensing (DAS) based on phase-sensitive optical time-domain
reflectometry can realize the distributed monitoring of multi-point disturbances along an …

Integrated Fading Suppression for Phase-Sensitive OTDR: An Algorithm Set

F Yu, S Liu, D Xu, H Gu, C Liu, Y Wu… - Journal of Lightwave …, 2024 - opg.optica.org
Interference fading problem is an inevitable challenge in distributed acoustic sensing (DAS)
system, and the uncertainty of the dynamic external environment further increases the …

Phase Noise Suppression in Phase-Sensitive OTDR Using Fault-Tolerant DS Evidence Theory

C He, Y Wang, W Du, H Hu, Q Bai, X Liu… - Journal of Lightwave …, 2024 - opg.optica.org
The phase noise caused by various factors will lead to the distortion of phase demodulation
in phase-sensitive optical time domain reflectometer. In order to suppress the phase noise, a …

Modified Data Augmentation Integration Method for Robust Intrusion Events Recognition With Fiber Optic DAS System

S Zhang, T He, H Li, C Fan, Z Yan… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
Due to the poor generalization performance of the artificial intelligence recognition models,
high false alarm rate (FAR) is still a challenge for intrusion events recognition with fiber optic …

A Modified Data Augmentation Integration Method for Intrusion Recognition Assisted with Fiber Optic DAS System

S Zhang, T He, H Li, K Xiao, C Fan… - 2023 Conference on …, 2023 - ieeexplore.ieee.org
A modified data augmentation integration (MDAI) method for intrusion recognition assisted
with fiber optic DAS system is proposed. Compared with the method without data …