Results 171 to 180 of about 210,879 (300)

A Survey of Phase Shifters for Microwave Phased Array Systems

open access: yesInternational Journal of Circuit Theory and Applications, EarlyView.
ABSTRACT Phased Array Systems (PASs) are extensively used in radar and telecommunication systems for diverse applications, including military surveillance and wireless broadband communication. Besides, they are becoming increasingly indispensable in modern applications such as multi‐function phased array radars for weather monitoring and aircraft ...
M. Kebe, M. C. E. Yagoub, R. E. Amaya
wiley   +1 more source

Cost Optimisation Tool for Multicommodity Network Flow Problem in Telecommunications

open access: yesPromet (Zagreb)
In this paper, we consider the problem of minimising the cost of data transmission as a function of the capacity of telecommunication links. To solve this problem, we first formulated a mathematical model, and then we designed and developed a software ...
Snežana MLADENOVIĆ   +5 more
doaj   +1 more source

A Type‐3 Fuzzy‐Based Model Predictive Control Approach for Management of Constant Energy

open access: yesEnergy Science &Engineering, EarlyView.
Application of the type‐3 fuzzy logic system (T3‐FLS) for management of constant energy and a comparison with the type‐2 fuzzy logic system. ABSTRACT Despite direct current (DC) microgrids' benefits over alternating current microgrids, these systems confront several difficulties.
Man‐Wen Tian   +7 more
wiley   +1 more source

Digitally programmable organic light‐emitting tetrodes

open access: yesSmartMat, Volume 4, Issue 2, April 2023., 2023
A new concept of electronic device that directly converts codeable digital signals into visible information is reported. This new type of device containing three light‐emitting units needs only one digital signal to integrate and control the light‐emitting state of the entire pixel, which is expected to reduce 2/3 of the switching devices.
Junpeng Ji   +18 more
wiley   +1 more source

Morphology Engineering of SnS2 Nanostructures to Stimulate PICT Resonance for Ultra‐Sensitive SERS Sensors

open access: yesExploration, EarlyView.
The developed SnS2 nanostrctures with three morphology of stacked nanosheets, microspheresand microflowers exhibit the excellent SERS enhanced uniformity, generality, stability and ultra‐high sensitivity, which are expected to provide a class of potential commercial SERS‐active materials for the practical application of semiconductor‐based SERS ...
Yusi Peng   +8 more
wiley   +1 more source

On-board processing satellite network architecture and control study [PDF]

open access: yes
The market for telecommunications services needs to be segmented into user classes having similar transmission requirements and hence similar network architectures.
Campanella, S. Joseph   +2 more
core   +1 more source

Metallic nanoparticle inks for flexible printed electronics

open access: yesFlexMat, EarlyView.
Abstract Flexible printed electronics represent a cutting‐edge technology leveraging functional inks to fabricate electronic circuits and components on diverse flexible substrates. Various advanced printing processes enable the production of computer‐controlled patterns with superior resolution and flexibility.
Ruimin Cai   +9 more
wiley   +1 more source

Evaluation of lightning‐induced overvoltage on a 10 kV distribution line based on electromagnetic return‐stroke model using finite‐difference time‐domain

open access: yesHigh Voltage
Accurate simulation of lightning‐induced overvoltage for overhead distribution lines is helpful to prevent lightning trip accidents. An electromagnetic return‐stroke model was used to represent lightning and then a 3D finite‐difference time‐domain (FDTD)
Pan Duan   +5 more
doaj   +1 more source

ND3$ ext{D}^{3}$ QNet: Noisy dueling‐double‐deep q‐network for reconfigurable intelligent surfaces

open access: yesElectronics Letters
Low‐cost passive reconfigurable intelligent surfaces that provide coverage expansion in wireless communication networks are facing challenges in phase shift optimization due to limitations in acquiring channel information for sub‐channels.
Jihyung Kim, Junghyun Kim
doaj   +1 more source

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