Results 51 to 60 of about 419,970 (292)

A highly integrated wideband LNA with multiple inputs for multi-band mobile devices

2016 IEEE 59th International Midwest Symposium on Circuits and Systems (MWSCAS), 2016
This paper presents a wideband common gate LNA (CG-LNA) that provides a competitive and highly integrated front-end solution for mobile handset devices. The proposed design supplies multiple inputs in a single LNA design to accommodate various on-board duplexers for multiple supported frequency bands without needing any external matching components. It
Abdelhamid, Amr A., Ozgun, M. T., Dogan, Hakan   +2 more
openaire   +2 more sources

Effectiveness of rTMS on Working Memory and Inhibitory Impairments in Patients With Post‐Stroke Executive Deficits

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Considerable efforts have been dedicated to developing effective treatments for post‐stroke executive impairment (PSEI), among which repetitive transcranial magnetic stimulation (rTMS) has shown great potential. This study aimed to investigate the therapeutic effects of high‐frequency rTMS on working memory (WM) and response ...
Mengting Lao, Rongwei Du, Zhujun Wang, Yang Gao, Meiling Cheng, Xianglong Wang, Wen Wu   +6 more
wiley   +1 more source

Design and performance analysis of digitally controlled multi-mode multi-band power amplifier for Sub-6 GHz applications

e-Prime: Advances in Electrical Engineering, Electronics and Energy
The user requirements for present real-time applications are addressed by using technology improvements to create portable User Equipment (UE) communications devices. This device helps to support multiple applications using different technology modes and
Ganesh Racha, K Lal Kishore, Yedukondalu Kamatham, Srinivasa Rao Perumalla   +3 more
doaj   +1 more source

Electromagnetic compatibility aware design and testing of intermodulation distortion under multiple co-located sources illumination [PDF]

, 2012
Current electromagnetic immunity tests mainly rely on single-frequency sources. However, the evolution of electronic systems leads to miniaturisation and low-cost solutions, in which filters are omitted in front of active non-linear components, also for ...
Biondi, Alessandro, De Zutter, Daniël, Declercq, Frederick, Rogier, Hendrik, Vallozzi, Luigi   +4 more
core   +2 more sources

On the Lightweight Potential of Laser Additive Manufactured NiTi Triply Periodic Minimal Sheet Lattices

Advanced Engineering Materials, EarlyView.
This study explores the lightweight potential of laser additive‐manufactured NiTi triply periodic minimal surface sheet lattices. It systematically investigates the effects of relative density and unit cell size on surface quality, deformation recovery, compression behavior, and energy absorption.
Haoming Mo, Shuo Qu, Shiming Gao, Xu Song   +3 more
wiley   +1 more source

A Compact Triplexer Based on InP/InGaAsP-MMI Coupler with Channel-Shaped Core Layer for 50G PON

Photonics
A novel wavelength triplexer based on Channel-Shaped Multimode Interference (C-MMI) structures on the InP platform is proposed for multi-channel integration compatibility in a 50G passive optical network (PON) system. Performance analysis of the proposed
Fei Guo, Dan Lu, Hao Song, Yueying Niu, Daibing Zhou, Lingjuan Zhao   +5 more
doaj   +1 more source

Metasurface-empowered snapshot hyperspectral imaging with convex/deep (CODE) small-data learning theory

Nature Communications, 2023
Hyperspectral imaging is vital for material identification but traditional systems are bulky, hindering the development of compact systems. While previous metasurfaces address volume issues, the requirements of complicated fabrication processes and ...
Chia-Hsiang Lin, Shih-Hsiu Huang, Ting-Hsuan Lin, Pin Chieh Wu   +3 more
doaj   +1 more source

Effect of Laser Deoxidation on Adhesive‐Bonded Aluminum in an Oxygen‐Free Atmosphere

Advanced Engineering Materials, EarlyView.
This study investigates laser ablation of aluminum under oxygen‐free conditions. The goal is to produce oxide‐free substrates that enable improved adhesive bonding with epoxy. Optimized laser parameters (90% overlap, 300 µJ) combined with oxide‐free substrates result in the highest tensile strength of the adhesive bond.
Sandra Gerland, Finn‐Lennard Janthur, Sarah Seffer, Jörg Hermsdorf, Ludger Overmeyer, Annika Raatz   +5 more
wiley   +1 more source

First-principles insights into the electronic structure, optical and band alignment properties of earth-abundant Cu2SrSnS4 solar absorber

Scientific Reports, 2021
Cu2SrSnS4 (CSTS) is a promising alternative candidate to Cu2ZnSnS4 (CZTS) for single- or multi-junction photovoltaics (PVs) owing to its efficient light-absorbing capability, earth-abundant, nontoxic constituents, and suitable defect properties. However,
Nelson Y. Dzade
doaj   +1 more source

Interaction of Ladle Slag With Varying SiO2 Content and Recyclate‐Based MgO–C Refractories

Advanced Engineering Materials, EarlyView.
Ladle slags (CaO/Al2O3 = 1) with 1–20 wt% SiO2 were investigated in contact with industrial MgO–C refractories fabricated from fresh magnesia and 50 wt% recyclate. The sessile drop method at 1600°C reveals intensive gas formation, delayed slag infiltration in recyclate‐based samples, and, under high‐SiO2 slag, formation of a dense MgAl2O4‐rich ...
Anton Yehorov, Eldar Salpagarov, Anhelina Mospan, Till Manon Jannis Stadtmüller, Thomas Schemmel, Christos Georgios Aneziris, Olena Volkova   +6 more
wiley   +1 more source