Results 71 to 80 of about 6,789,323 (309)

NFDI MatWerk Ontology (MWO): A BFO‐Compliant Ontology for Research Data Management in Materials Science and Engineering

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents the NFDI‐MatWerk Ontology (MWO), a Basic Formal Ontology‐based framework for interoperable research data management in materials science and engineering (MSE). Covering consortium structures, research data management resources, services, and instruments, MWO enables semantic integration, Findable, Accessible, Interoperable, and ...
Hossein Beygi Nasrabadi   +4 more
wiley   +1 more source

Spectral Efficiency Improved 2D-PAM8 Trellis Coded Modulation for Short Reach Optical System

open access: yesIEEE Photonics Journal, 2017
This paper proposes and demonstrates a 31.25 Gbps two-dimensional eight level pulse amplitude modulation with trellis coded modulation (2D-PAM8-TCM) transmission in intensity modulation and direct detection based short reach system. In this system,
Yan Fu   +5 more
doaj   +1 more source

All optical fog-sensor for determining the fog visibility range in optical wireless communication links [PDF]

open access: yes, 2010
The goal of this research work is to use an all optical based fog sensor to study the atmospheric visibility of fog and its constituents on the optical wireless communication (OWC) links in a controlled laboratory test-bid.
Ghassemlooy, Zabih   +3 more
core  

Towards Defect Phase Diagrams: From Research Data Management to Automated Workflows

open access: yesAdvanced Engineering Materials, EarlyView.
A research data management infrastructure is presented for the systematic integration of heterogeneous experimental and simulation data required for defect phase diagrams. The approach combines openBIS with a companion application for large‐object storage, automated metadata extraction, provenance tracking and federated data access, thereby supporting ...
Khalil Rejiba   +5 more
wiley   +1 more source

Photonic integrated computing engine for concurrent optical computing

open access: yesNature Communications
Optical networks with parallel processing capabilities advance high-speed computing and large-scale data processing by providing ultrawide computational bandwidth.
Ruiqi Zheng   +8 more
doaj   +1 more source

OLS-Based RBF Neural Network for Nonlinear and Linear Impairments Compensation in the CO-OFDM System

open access: yesIEEE Photonics Journal, 2018
For the first time, we propose and experimentally verify a novel low-complexity orthogonal least square (OLS) based radial basis function (RBF) neural network (NN) nonlinear equalizer for high-speed coherent optical orthogonal frequency division ...
Ling Liu   +5 more
doaj   +1 more source

The PRIMA Thesaurus for Materials Science and Engineering

open access: yesAdvanced Engineering Materials, EarlyView.
The PRIMA Thesaurus is a structured vocabulary designed to improve how materials science data is described and shared. Developed with input from multiple experts, it enables clear documentation of research workflows, data exchange, and reuse across platforms.
Rossella Aversa   +8 more
wiley   +1 more source

Time-Division Multiplexed Optical Covert Communication System Based on Gain-Switched Optical Pulses

open access: yes
In optical covert communication systems based on gain-switched distributed feedback semiconductor lasers, the trade-off between the modulation frequency and the spectral imperceptibility limits the bit rate of the secure channel.
Yongliang Yin   +4 more
core   +1 more source

Optical techniques for Gbit/s wireless indoor access

open access: yes, 2014
The capacity and energy consumption bottlenecks faced by Gbit/s indoor wireless communication can be alleviated by a converged indoor fiber backbone network in combination with a picocells architecture, equipped with advanced optical techniques for ...
Koonen, A.M.J.
core   +1 more source

Evaluation of FEC for the atmospheric optical IM/DD channel [PDF]

open access: yes, 2003
Channel measurements were performed by the German Aerospace Center in various near ground optical channels including a 1.5 km horizontal path as well as a 61km path.
Hennes Henniger   +7 more
core   +1 more source

Home - About - Disclaimer - Privacy