Phase-sensitive optical time-domain reflectometry Φ-OTDR) is a powerful sensing device
that enables fully distributed optical fiber vibration detection with fast response and high …

It has great significance to monitor the oil and gas pipeline leakage to reduce economic loss
and environmental pollution. In this paper, we propose a method to recognize the leakage of …

Submarine cables are the main sources of power supply for oil rigs; in this regard, they must
be assessed and effectively secured. Monitoring of the environment of submarine cables is …

Accurate intrusion recognition along the optical fiber is still an enormous challenge in the
distributed acoustic sensing (DAS) based security system. Especially in the complex …

The vibration signal is essential for accurate event recognition along submarine cables.
However, rapid and concise identification still poses challenges for prompt recognition and …

The maximum allowable current-carrying ampacity (MACCA) of a photoelectric composite
submarine cable in its design phase is usually patterned considering the weather. However …

Strain and acceleration signals are essential for accurate event recognition along submarine
cables. However, concise identification still poses challenges for prompt recognition and …

In this paper, aiming at the problem of vibration event classification based on phase
sensitive optical time-domain reflectometer (Φ-OTDR), we propose an efficient multi class …

摘要分布式光纤声波传感(DAS) 技术以独特的动态在线监测, 大范围密集测量,
方便布设免维护等优势, 获得了周界安防, 结构健康, 交通运输, 油气勘探, 海洋水声等多领域专家 …

This paper proposes a high-performance railway perimeter security system based on the
inline time-division multiplexing fiber Fabry-Perot interferometric (TDM-FFPI) sensor array. A …