Results 101 to 110 of about 184,425 (304)

A Critical Analysis of Quadratic Boost Based High-Gain Converters for Electric Vehicle Applications: A Review

open access: yesSensors
Conventional DC-DC boost converters have played a vital role in electric vehicle (EVs) powertrains by enabling the necessary voltage to increase to meet the needs of electric motors.
Madhav Kumar   +4 more
doaj   +1 more source

Diffusion Spectrum Imaging Maps Early Axonal Loss and a Unique Progressive Signal in Neuronal Intranuclear Inclusion Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To delineate specific in vivo white matter pathology in neuronal intranuclear inclusion disease (NIID) using diffusion spectrum imaging (DSI) and define its clinical relevance. Methods DSI was performed on 42 NIID patients and 38 matched controls.
Kaiyan Jiang   +10 more
wiley   +1 more source

Ecologically Optimal Solution of Power Semiconductors Converters

open access: yesAdvances in Electrical and Electronic Engineering, 2003
One of the relevant scientific programs of Department of Power Electrical Systems is research of ecologically optimal topologies main circuits of power converters. This paper presents some methods how to reduce unfavourable influences of power converters
Pavol Spanik   +3 more
doaj  

CX3CL1 in Early Detection of Alzheimer's Disease: Plasma Dynamics Across Age and Disease Stages

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Backgrounds Alzheimer's disease (AD) is characterized by amyloid‐beta plaques, tau tangles, and neuroinflammation. C‐X3‐C motif chemokine ligand 1 (CX3CL1, also known as fractalkine), a neuroimmune chemokine implicated in AD pathogenesis, shows inconsistent alterations in plasma/serum across studies.
Ling Wang   +6 more
wiley   +1 more source

A Novel Wide Gain Range LLC Resonant Converter With Multiple Operating Modes

open access: yesIET Power Electronics
This paper proposes a novel LLC resonant converter featuring two completely identical resonant circuits. By adjusting the control strategy of primary‐side switches, the two resonant circuits can operate independently or in series, allowing the entire ...
Yihui Xia   +4 more
doaj   +1 more source

High gain interleaved boost-derived DC-DC converters – A review on structural variations, gain extension mechanisms and applications

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy
Boost and boost-derived converters play an important role in interfacing the low voltage input from renewable energy sources like photovoltaic (PV) panels with the high voltage DC bus or DC load. Interleaved boost converters (IBC) are a separate class of
A.S. Valarmathy, M. Prabhakar
doaj   +1 more source

Development of thermionic converters Quarterly progress report [PDF]

open access: yes
Design and fabrication of high efficiency, low power thermionic converters ...
Hamerdinger, R., Jacobson, D.
core   +1 more source

Value of MRI Outcomes for Preventive and Early‐Stage Trials in Spinocerebellar Ataxias 1 and 3

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To examine the value of MRI outcomes as endpoints for preventive and early‐stage trials of two polyglutamine spinocerebellar ataxias (SCAs). Methods A cohort of 100 participants (23 SCA1, 63 SCA3, median Scale for the Assessment and Rating of Ataxia (SARA) score = 5, 42% preataxic, and 14 gene‐negative controls) was scanned at 3T up ...
Thiago J. R. Rezende   +26 more
wiley   +1 more source

Bridging renewable energy sources with non-isolated DC-DC converters: challenges and innovations

open access: yesDiscover Electronics
In recent years, the world is focusing on replacing the conventional sources for energy generation from renewable sources. Increasing population is accelerating the power demand which is becoming challenging to meet up this demand over the globe ...
Sumant Mishra   +2 more
doaj   +1 more source

Quantization Effects in OFDM Systems [PDF]

open access: yes, 2008
The advantage of using orthogonal frequency division multiplexing (OFDM) over the single-carrier modulation is its ability to mitigate interference and fading without complex equalization filters in the receiver.
Shao, X., Slump, C.H.
core   +2 more sources

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