2 papers
physics.app-ph2019
Amplitude-modulated pulses based phase-sensitive OTDR in distributed sensing
Qian He, Heng Jiang, Chengdan Tan +2
The detected frequency response range of phase-sensitive optical time domain reflectometry is limited by the sensing fiber length. In this paper, we demonstrate an amplitude modula…
eess.SP2019
The detection of non-Gaussian vibrations with improved spatial resolution and signal-to-noise ratio in distributed sensing
Qian He, Rong Liu, Chengdan Tan +2
In fiber-optic distributed sensing, vibration signals are mostly assumed to follow Gaussian distribution for the simplicity of signal processing. However, in real applications, vib…