Results 31 to 40 of about 1,233,950 (356)

Ultra-High Resolution Wideband on-Chip Spectrometer

open access: yesIEEE Photonics Journal, 2020
Monitoring the state of the optical network is a key enabler for programmability of network functions, protocols and efficient use of the spectrum. A particular challenge is to provide the SDN-EON controller with a panoramic view of the complete state of
Mehedi Hasan   +6 more
doaj   +1 more source

Application of optical fiber transmission technology in coal mine monitoring system

open access: yesMeikuang Anquan, 2021
Aiming at the problems of short distance, slow speed, large loss and weak anti-electromagnetic interference ability of traditional cable in data transmission of coal mine monitoring system, this paper studies the optical fiber transmission technology and
LIU Fen
doaj   +1 more source

AI-Based Modeling and Monitoring Techniques for Future Intelligent Elastic Optical Networks

open access: yesApplied Sciences, 2020
With the development of 5G technology, high definition video and internet of things, the capacity demand for optical networks has been increasing dramatically. To fulfill the capacity demand, low-margin optical network is attracting attentions. Therefore,
Xiaomin Liu   +6 more
doaj   +1 more source

In-sewer field-evaluation of an optical fibre-based condition monitoring system [PDF]

open access: yes, 2020
A Fiber Bragg Grating (FBG) based monitoring system for continuous humidity and temperature measurement has been designed and evaluated experimentally in a sewer environment with high corrosion rates, humidity and the presence of gaseous hydrogen sulfide.
Bustamante, H.   +6 more
core   +1 more source

Optical Accelerometers for Detecting Low-Frequency Micro-Vibrations

open access: yesApplied Sciences, 2022
Optical accelerometers are high-precision inertial sensors that use optical measurement technology to achieve high-precision and electromagnetic interference-resistant acceleration measurements.
Ying-Jun Lei   +4 more
doaj   +1 more source

Applications of polymer optical fibre grating sensors to condition monitoring of textiles [PDF]

open access: yes, 2009
Fibre Bragg gratings (FBGs) in polymer optical fibres (POFs) have been used to measure the strain in a woven textile. FBGs in both POFs and silica optical fibres were attached to a woven textile specimen, and their performance characterised.
Chambers, A. R.   +8 more
core   +3 more sources

Transfer learning simplified multi-task deep neural network for PDM-64QAM optical performance monitoring.

open access: yesOptics Express, 2020
We experimentally demonstrate a transfer learning (TL) simplified multi-task deep neural network (MT-DNN) for joint optical signal-to-noise ratio (OSNR) monitoring and modulation format identification (MFI) from directly detected PDM-64QAM signals. First,
Yijun Cheng   +4 more
semanticscholar   +1 more source

A study to trial the use of inertial non-optical motion capture for ergonomic analysis of manufacturing work [PDF]

open access: yes, 2016
It is going to be increasingly important for manufacturing system designers to incorporate human activity data and ergonomic analysis with other performance data in digital design modelling and system monitoring. However, traditional methods of capturing
Fletcher, Sarah R.   +2 more
core   +1 more source

Monitoring of OSNR Using an Improved Binary Particle Swarm Optimization and Deep Neural Network in Coherent Optical Systems

open access: yesPhotonics, 2019
A novel technique is proposed to implement optical signal-to-noise ratio (OSNR) estimation by using an improved binary particle swarm optimization (IBPSO) and deep neural network (DNN) based on amplitude histograms (AHs) of signals obtained after ...
Xiaoyong Sun   +4 more
doaj   +1 more source

Machine Learning Applications for Short Reach Optical Communication

open access: yesPhotonics, 2022
With the rapid development of optical communication systems, more advanced techniques conventionally used in long-haul transmissions have gradually entered systems covering shorter distances below 100 km, where higher-speed connections are required in ...
Yapeng Xie   +3 more
doaj   +1 more source

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