Results 151 to 160 of about 186,285 (262)

Field‐Based Spatial Self‐Registration of Multicoil Hardware for B0 Field Control

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To develop and validate a magnetic field‐based method for self‐registration of multicoil (MC) shim hardware in MRI systems, enabling accurate B0 field control despite nonreproducible hardware placement between calibration and experimental sessions.
Isabelle Zinghini, Ian Macleod, Carlotta Ianniello, Sebastian Theilenberg, Christoph Juchem   +4 more
wiley   +1 more source

Theoretical modelling and optimization design of PMUT arrays for enhanced acoustic performance. [PDF]

Microsyst Nanoeng
Li Z, Lu D, Li Z, Tan H, Yuan J, Zhao Z, Zhao Y, Zhang Z, Qin S, Wang X, Li M, Zhang K, Dong R, Zhao L, Fan L.   +14 more
europepmc   +1 more source

SNR‐Efficient Inhomogeneous Magnetization Transfer (ihMT) for Clinical Applications at 7 T

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose Inhomogeneous MT (ihMT) is an MRI modality sensitive to Myelin, the lipid‐rich membrane surrounding the axons. A novel ihMT saturation strategy and its associated B1+$$ {\mathrm{B}}_1^{+} $$ correction at UHF are proposed. The aim is to generate a strong ihMT effect within a clinically compatible scan time while complying with SAR ...
Timothy Anderson, Niklas Wallstein, Lucas Soustelle, Thomas Troalen, Gopal Varma, David C. Alsop, Maxime Guye, Guillaume Duhamel, Olivier M. Girard   +8 more
wiley   +1 more source

MultiFixRadSoft: A Comprehensive Tool for Primary Relative Radiometric Scale Realization in Radiation Thermometry. [PDF]

Sensors (Basel)
Ertürk M, Karabulut M, Kadı ÖF, Gözönünde C, Broberg P, Olsen ÅAF, Nasibli H.   +6 more
europepmc   +1 more source

VQ‐Wave: A Physics‐Driven Spatiotemporal Deep Learning Approach for Noncontrast‐Enhanced Lung Ventilation and Perfusion MRI

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To develop a robust deep learning framework for noncontrast‐enhanced functional lung MRI, overcoming the limitations of spectral decomposition in the presence of physiological nonstationarity. Methods We introduce VQ‐Wave (Ventilation/Q‐perfusion Waveform‐based Assessment of Variable Evolutions), a physics‐driven spatiotemporal ...
Grzegorz Bauman, Pavlos Panos, Philipp Latzin, Oliver Bieri   +3 more
wiley   +1 more source

Numerical Analysis and Design of an Ultra-Thin Flexible Transparent Metasurface for Broadband Radar-Infrared Compatible Stealth. [PDF]

Micromachines (Basel)
Xu L, Li Y, Wang X, Sun J, Yang Z.
europepmc   +1 more source

Finite‐Time Disturbance Observer‐Based Nonlinear Robust Adaptive Control of Hydraulic Manipulator With Parameter Identification

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT Hydraulic manipulators exhibit strong coupling, pronounced nonlinearities, and significant modeling uncertainties, which hinder high‐precision motion control. This paper proposes a finite‐time disturbance observer–based nonlinear robust adaptive control (RAC‐FTDO) framework enhanced by a physically consistent dynamic parameter identification ...
Tianyu Gao, Xianglong Liang, Wenxiang Deng, Jianyong Yao   +3 more
wiley   +1 more source

Acoustic recordings of underwater vocalizations of Indo-Pacific humpback dolphins in Xiamen Bay, China. [PDF]

Sci Data
Fu W, Peng X, Wu F, Zhang F, Zhang C, Xiang W, Song Z, Zhang Y.   +7 more
europepmc   +1 more source

Achieving sub-pm wavelength regression via minimum-phase in a single-stream photonic IC. [PDF]

Nat Commun
Rubio Rivera HA, Neim L, Deenadayalan V, Preble S.   +3 more
europepmc   +1 more source

Silver‐Alloyed Wide‐Bandgap (Ag,Cu)(In,Ga)S2 Thin‐Film Solar Cells With 15.5% Efficiency

Progress in Photovoltaics: Research and Applications, EarlyView.
This study reports improvements in compositional homogeneity, microstructure, enhanced radiative recombination, and extended carrier lifetime of CIGS absorber via Ag incorporation. The optimal Ag‐alloyed CIGS solar cells achieve 15.5% PCE and 948 mV VOC, competing with the VOC of the Ag‐free reference sample from the same batch.
Yucheng Hu, Ece Washbrook, Arivazhagan Valluvar Oli, Andrea Griesi, Yurii P. Ivanov, Mariam Pelling, Simon M. Fairclough, Kulwinder Kaur, Michele Melchiorre, Adam Hultqvist, Tobias Törndahl, Wolfram Hempel, Wolfram Witte, Giorgio Divitini, Susanne Siebentritt, Rachel A. Oliver, Gunnar Kusch   +16 more
wiley   +1 more source