Optical fiber distributed acoustic sensing (DAS) based on phase-sensitive optical time
domain reflectometry (φ-OTDR) is in great demand in many long-distance application fields …

Multi-core fiber (MCF) has attracted increasing attention for application in distributed fiber
sensing owing to its unique properties of independent light transmission in multiple spatial …

Interference fading problem is an inevitable challenge in distributed acoustic sensing (DAS)
system, and the uncertainty of the dynamic external environment further increases the …

In this paper, a lightweight and fully distributed fiber-optic streamer with small channel
spacing based on the distributed acoustic sensing is developed and demonstrated for the …

A low-complexity multi-subcarrier pulse generation scheme is proposed to suppress the
interference fading in a phase-sensitive optical time-domain reflectometer (Φ-OTDR) based …

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 …

With the increasing diversity of application scenarios, there is a growing demand for
distributed acoustic sensing (DAS) systems to monitor the environment without false alarms …

Optical distributed acoustic sensing (DAS) based on phase-sensitive optical time-domain
reflectometry (-OTDR) can realize the distributed monitoring of multipoint disturbances along …

In recent years, the unmanned aerial vehicle (UAV) has been widely applied in daily life, but
the “black flight” incidents happen frequently and even endanger public safety. Although the …

Due to the inherent characteristic of coherent fading phenomenon, the performance of
distributed acoustic sensing system will be severely degraded, producing anomalous …