Results 1 to 10 of about 712,860 (302)

Generation of linearly polarized modes using a digital micromirror device and phase optimization

open access: yesКомпьютерная оптика, 2022
Linearly polarized modes were generated from the fundamental LP01 using Lee holograms displayed on a digital micromirror device. The phase in the holograms was optimized using simulated annealing algorithm and complex amplitude correlation to improve the
N.A. Correa-Rojas   +2 more
doaj   +1 more source

DTPF Algorithm Based Open-Source Time-Sensitive Network Leveraging SDN Architecture

open access: yesIEEE Access, 2023
Time-Sensitive Networking (TSN) has enabled a lot of advancements in industrial automation, aviation, tactile networking, and other ad-hoc networking applications. The bounded latency, reliability, and self-recovering mechanisms for a network are some of
Asha G. Hagargund   +2 more
doaj   +1 more source

A machine-learning guided method for predicting add-on and switch in secondary data sources: A case study on anti-seizure medications in Danish registries

open access: yesFrontiers in Pharmacology, 2022
Purpose: There is a lack of available evidence regarding the treatment pattern of switches and add-ons for individuals aged 65 years or older with epilepsy during the first years from the time they received their first anti-seizure medication because of ...
Peter Suhr Breitenstein   +4 more
doaj   +1 more source

The Design and Fabrication of a MEMS Electronic Calibration Chip

open access: yesMicromachines, 2022
During the test of microelectromechanical system (MEMS) devices, calibration of test cables, loads and test instruments is an indispensable step. Calibration kits with high accuracy, great operability and small loss can reduce the systematic errors in ...
Qiannan Wu   +6 more
doaj   +1 more source

NbTi foil thermally controlled switches for superconducting converters with operation frequency up to 50 Hz. Part 1: Experiment [PDF]

open access: yes, 1992
The increase of the operation frequency of superconducting converters up to 50 Hz opens new ways to improve their parameters. Thermally controlled switches using NbTi foil are able to operate at industrial frequency with reasonable efficiency and dynamic
Kate, H.H.J. ten   +3 more
core   +7 more sources

Graphene/AlGaN/GaN RF Switch

open access: yesMicromachines, 2021
RF switches, which use a combination of graphene and two-dimensional high-density electron gas (2DEG) in the AlGaN/GaN system, were proposed and studied in the frequency band from 10 MHz to 114.5 GHz.
Yevhen Yashchyshyn   +10 more
doaj   +1 more source

Synthesis of Optimal Control in the Problem of Regulating the Degree of Lake Pollution

open access: yesСовременные информационные технологии и IT-образование, 2022
This paper studies the problem of optimal control of the degree of lake pollution by the pollutants of an industrial plant. A mathematical model is considered that represents the process of lake pollution, taking into account the change in its self ...
Yilun Wu
doaj   +1 more source

Dynamic effect on turnouts of cars having wheelsets with thin flanges

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2020
Geometrical parameters of the “wheelset—rail track” system are mutually related. Currently, a very topical issue is the question of a possible adjustment of the regulatory framework in the “wheelset—rail track” system in order to take into account the ...
B. E. Glyuzberg   +5 more
doaj   +1 more source

Qualitative Verbal Fluency Components as Prognostic Factors for Developing Alzheimer’s Dementia and Mild Cognitive Impairment: Results from the Population-Based HELIAD Cohort

open access: yesMedicina, 2022
Background and Objectives: The aim of the present study was to investigate the prognostic value of the qualitative components of verbal fluency (clustering, switching, intrusions, and perseverations) on the development of mild cognitive impairment (MCI ...
Ioannis Liampas   +9 more
doaj   +1 more source

NEW ASYMMETRIC 21-LEVEL INVERTER WITH REDUCED NUMBER OF SWITCHES

open access: yesThe Journal of Engineering Research, 2019
Multilevel inverter plays an important role in the field of modern power electronics and is widely being used for many high voltage and high power industrial and commercial applications.
Thiyagarajan V, Somasundaran P
doaj   +1 more source

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