Hekuo PENG | Fudan University, Shanghai | Department of Material
A novel distributed fiber-optic localization algorithm with high sensitivity and precision based on merged Michelson-Sagnac interferometer is proposed and demonstrated.
A novel distributed fiber-optic localization algorithm with high sensitivity and precision based on merged Michelson-Sagnac interferometer is proposed and demonstrated. Abstract: In order to solve the...
HOME / Pattern Recognition and Localization Based on Sagnac Fiber Optic Sensing - AITAF Advanced Infrastructure & Telecom Networks
A novel distributed fiber-optic localization algorithm with high sensitivity and precision based on merged Michelson-Sagnac interferometer is proposed and demonstrated.
It is proven that the distributed optical fiber sensing technology based on the dual Sagnac interferometer system has high practical application value.
In this paper, the Sagnac interferometer with a one-way optical fiber ring and a novel dual Sagnac distributed fiber vibration sensor with an asymmetrical structure for disturbance localization is
We present numerical and experimental results on a new generation fibre optic perimeter sensor based on a Sagnac and Michelson interferometers configuration. In particular, an original signal processing
The system utilizes a dual loop Sagnac interferometer, where one of the loops is substantially longer than the other. Both Sagnac loops share a common section of a sensing fiber
In this paper, a vibration sensitivity adjustable zone-proof fiber optic perimeter security system based on less data pattern recognition is proposed. By changing the length of delay fiber in
Therefore, in this paper, deep learning technology is used to locate multiple disturbing points in Sagnac distributed optical fiber sensing system, and the related specific technologies of
A distributed fiber-optic sensor based on a hybrid configuration of dual-Sagnac interferometer is proposed and demonstrated. The polarization compensation module is used to
A novel distributed fiber-optic localization algorithm with high sensitivity and precision based on merged Michelson-Sagnac interferometer is proposed
Signal recognition accuracy and recognition time are the two most important parameters of pattern recognition in a fiber optic vibration sensing
Most fiber optic sensing topologies based on the Sagnac interferometer require phase modulator and polarization controller. Modulator is used to bias the interferometer in order to
References (20) Abstract A novel distributed fiber-optic localization algorithm with high sensitivity and precision based on merged Michelson-Sagnac interferometer is proposed and
Distributed fiber optic sensors are studied extensively, for monitoring abnormal events in continuous space, due to the advantages of immunity to
Signal acquisition of different sounds and verification experiments of the recognition system have been carried out in a laboratory environment based on the Sagnac fiber optic sound
Compared with the optical backscattering based DOFVS, the fiber interferometer based technique utilizes a continuous wave (CW) light as the sensing source, thus it can offer superior
We propose a fiber optic sensor based on linear Sagnac interferometer for branch localization for practical environments where branch paths exist. The system is based on a dual-wavelength single
Enhancing the Accuracy and Range of Cantilever-Based Measurements in Optical Beam Deflection Systems A Point Cloud-Based Multiscale Fusion Segmentation Model for Surface Pore Structures in
The optical fiber sensing detection method of the ultrasonic characteristics of partial discharge is based on the linear Sagnac interferometer, and the zero-frequency point localization
Because of the problem of low recognition accuracy in the recognition of intrusion vibration events by the distributed Sagnac type optical fiber sensing
In this work, event localization using time-domain instead of frequency null signals is achieved using machine learning (ML), which is increasingly being
This study introduces a novel approach, the Dual-Stage Deep Learning Technique for Multi-Event Detection and Localization (DDMDL), and applies it to a loop-based Sagnac optical fiber
The fiber optic Sagnac interferometer which comprise of a broadband source, a fiber optic coupler and special sensing fiber has great application potentiality. The characteristic of output spectrum was
A distributed fiber optic sensor based on dual-Michelson interferometers for disturbance localization and pattern recognition is proposed for multi-intrusion monitoring.
To solve the problem of multiple sound recognition in the application of Sagnac optical fiber acoustic sensing system, a multi-source synchronous
The proposed fiber sensing system is suitable for use in discreet human conversation listening. This article presents a theoretical and experimental study aimed at enhancing the
Abstract: Among all optical sensing techniques, the distributed Sagnac loop (SI) sensor has the advantage of being simple to implement with low cost. Most of the proposed techniques for using SI