Transient effect in erbium-doped fiber amplifier (EDFA) restricts the application of the phase-sensitive optical time-domain reflectometry (ϕ-OTDR) system with coding probe pulse (CPP) in long-dis…
The purpose of this study is to present a security system that combines PDM and SDM and is based on the flexible configuration of multi-channel keys. The proposed system will utilize three distinct…
This paper proposes a new generative adversarial network for pose transfer, i.e., transferring the pose of a given person to a target pose. We design a progressive generator which comprises a seque…
Aiming to reduce the complexity of Φ-OTDR system introduced by traditional distributed optical amplification technology in the pursuit of long-distance sensing, a novel detection range enhancement…
We consider the time-harmonic elastic wave scattering from a general (possibly anisotropic) inhomogeneous medium with an embedded impenetrable obstacle. We show that the impenetrable obstacle can b…
In order to eliminate the distortion of demodulated signal caused by the incomplete suppression of interference fading, an active frequency transformation (AFT) method is proposed for phase-sensiti…
A Fast peak searching method for Brillouin gain spectrum (BGS) using positive-slope inflection point is proposed. In this method, the positive-slope inflection point of Brillouin gain spectrum is u…
The frequency division multiplexing (FDM) is an effective method to improve the detection ability of high-frequency disturbance in phase-sensitive optical time domain reflectometer (ϕ-OTDR). Howev…
A novel vibration location method with nested pulses for distributed optical fiber vibration sensing system is proposed. The interferometric structure for vibration detection and location with nest…