Pattern recognition algorithm and software design of an optical fiber vibration signal based on Φ-optical time-domain reflectometry
TFB Marie, D Han, B An - Applied optics, 2019 - opg.optica.org
A phase-sensitive optical time-domain reflectometry with a detection distance of 10 km is
used in this paper to recognize and to detect in real time events along the perimeter security …
used in this paper to recognize and to detect in real time events along the perimeter security …
Nuisance alarm reduction: using a correlation based algorithm above differential signals in direct detected phase-OTDR systems
Significant research efforts have focused on techniques for alleviating the nuisance alarm
rate (NAR) in the field of ϕ-OTDR pattern recognition systems. Unfortunately, ephemeral …
rate (NAR) in the field of ϕ-OTDR pattern recognition systems. Unfortunately, ephemeral …
Variational mode decomposition-based event recognition in perimeter security monitoring with fiber optic vibration sensor
Recognition of different kinds of human intrusions from the environmental disturbance with
high efficiency is still a challenging task in perimeter security monitoring with fiber optic …
high efficiency is still a challenging task in perimeter security monitoring with fiber optic …
Multi-zone fiber-optic intrusion detection system with active unbalanced michelson interferometer used for security of each defended zone
H Hsieh, KS Hsu, TL Jong, L Wang - IEEE Sensors Journal, 2019 - ieeexplore.ieee.org
A new fiber-optic system with an active unbalanced Michelson interferometer (AUMI) was
designed for multi-zone perimeter intrusion detection by employing only two single-mode …
designed for multi-zone perimeter intrusion detection by employing only two single-mode …
Feature extraction and identification of pipeline intrusion based on phase-sensitive optical time domain reflectometer
Z Zhao, D Liu, L Wang, S Liu - Wireless and Satellite Systems: 10th EAI …, 2019 - Springer
Since fiber distributed vibration sensing (DVS) system based on phase-sensitive optical time
domain reflectometer (Φ-OTDR) has the characteristics of identifying intrusion signals, wide …
domain reflectometer (Φ-OTDR) has the characteristics of identifying intrusion signals, wide …
Event Detection and Classification for Fiber Optic Perimeter Intrusion Detection System
X Gu, T Wang, J Peng, H Wang, Q Xia… - International Journal of …, 2019 - igi-global.com
A perimeter intrusion detection system (PIDS) is critical for the security of a shale gas field.
Among many technologies, the fiber optic sensor-based method is the most widely used …
Among many technologies, the fiber optic sensor-based method is the most widely used …
Intrusion Locating Simulation based on Optical Fiber Sensing
KS Hsu, TL Jong, CW Hsieh - 2019 8th International …, 2019 - ieeexplore.ieee.org
The study proposed the simulations of a fiber optical perimeter intrusion detection system.
Instead of the optical interferometer, the optical time domain reflectometer (OTDR) is utilized …
Instead of the optical interferometer, the optical time domain reflectometer (OTDR) is utilized …