Results 71 to 80 of about 1,483 (213)
NIR/VIS Dual‐Comb Spectroscopy Comparing High and Low Repetition Rate Regimes
Laser &Photonics Reviews, Volume 20, Issue 10, 22 May 2026.This work compares dual‐comb spectroscopy at lower and higher repetition rates, emphasizing the inherent trade‐off between spectral and temporal resolution. The 80 MHz system provides high‐resolution spectra suitable for analyzing complex molecular structures, whereas the free‐running 1 GHz platform enables fast measurements for real‐time trace gas ...
Alexander Eber +6 more
wiley +1 more source
Time‐Division Multiplexing for Parallel Transmission at Ultra‐High Field With Limited RF Channels
Magnetic Resonance in Medicine, Volume 95, Issue 5, Page 2580-2593, May 2026.ABSTRACT Purpose Investigating time‐division multiplexing for parallel transmission in ultra high‐field imaging, striving for homogeneous whole brain excitation with a limited number of RF channels. Methods A fast RF switch was built to alternately route 8 transmit channels to each row of a double‐row 16‐element transmit coil array at a 9.4 T human MRI
Felix Glang +4 more
wiley +1 more source
ChemPhysChem, Volume 27, Issue 8, 28 April 2026.Single‐molecule FRET enables nanometer‐scale insights into biomolecular structure and dynamics but often requires complex instrumentation. We present the FRET‐Brick, a minimalistic, 3D‐printed microspectroscopy platform using 488 nm continuous‐wave excitation and PMT detection.
Gabriel G. Moya Muñoz +6 more
wiley +1 more source
INTERLEAVED DC-DC CONVERTER BASED BL BUCK-BOOST CONVERTER FED BLDC DRIVE
Journal of Advance Research in Electrical & Electronics Engineering (ISSN: 2208-2395), 2015 In this paper an improved BL Buck-Boost PFC converter fed brushless direct current(BLDC) motor drive for desired speed applications has been presented. The additional inductance andpower semiconductor switches gives the advantages over the conventional circuit configuration. Thereliability of the circuit gets improved by proposed model.
Ch. S. V. Prakash +2 more
openaire +5 more sources
Advanced Engineering Materials, Volume 28, Issue 8, 22 April 2026.Carbon nanomaterial‐reinforced epoxy composites exhibit pronounced piezoresistive behavior, enabling intrinsic damage sensing under cyclic and fatigue loading. This review critically compares carbon nanotube and graphene systems, correlating filler content, percolation threshold, and gauge factor with sensing stability and damage evolution.
J. M. Parente +3 more
wiley +1 more source
DC-DC Converter Design Issues for High-Efficient DC Microgrid
, 2019 In this article, the electrical properties, as well as the economic aspects of the modular and non-modular solution of the DC-DC photovoltaic converter for DC microgrid subsystem, are described.
Michal Frivaldsky, Jan Morgos
core +1 more source
Synthesis of interleaved, unipolar, switched capacitor DC-DC converters
, 2023 Switched capacitor (SC) dc–dc converters are showing great potential for new applications such as data centres, electric vehicles, and power transmission.
Andrew Cross (1421695) +3 more
core +1 more source
EnergiesPower grids are progressing, and the possibility of incorporating DC grids toward hybrid AC/DC grids is gaining increasing relevance, as several technologies available nowadays are operating natively in DC.
Goncalo Marques +2 more
doaj +1 more source
In microgrids and electric vehicles, energy sources arranged in a distributed manner connected with various DC-DC converters play an important role in meeting several load demands.
Zehra, Syeda Shafia +3 more
core +1 more source
High-power DC-DC converter based on SiC power device
工程科学学报, 2017 The DC-DC converter can adjust and control the voltage and power outputs of renewable energy systems, including fuel cell and photovoltaic cell systems. This study used high-efficiency SiC MOSFETs in a two-phase interleaved boost-type DC-DC converter in ...
MA Hou-cheng, ZHOU Xiao-min, GAO Da-wei
doaj +1 more source