Results 61 to 70 of about 50,611 (217)
Advanced Science, EarlyView.“Illusion” is a captivating topic throughout human civilization. This research proposes an advanced multi‐layer metasurface illusion strategy utilizing a technique known as “inverse synthetic aperture radar (ISAR)” imaging, enabling the creation of illusions over broadband and wide‐angle.
Haoran Li +12 more
wiley +1 more source
Experimental Width Shift Distribution: A Test of Nonorthogonality for Local and Global Perturbations [PDF]
Phys. Rev. Lett. 113, 224101 (2014), 2014 The change of resonance widths in an open system under a perturbation of its interior has been recently introduced by Fyodorov and Savin [Phys. Rev. Lett. 108, 184101 (2012)] as a sensitive indicator of the nonorthogonality of resonance states. We experimentally study universal statistics of this quantity in weakly open two-dimensional microwave ...
arxiv +1 more source
Probability Distributions of Random Electromagnetic Fields in the Presence of a Semi-Infinite Isotropic Medium [PDF]
, 2006 Using a TE/TM decomposition for an angular plane-wave spectrum of free random electromagnetic waves and matched boundary conditions, we derive the probability density function for the energy density of the vector electric field in the presence of a semi ...
Arnaut +13 more
core +2 more sources
Photocatalytic and Electrochemical Synthesis of Biofuel via Efficient Valorization of Biomass
Advanced Energy Materials, EarlyView.This review highlights biomass and biofuel traits, exploring photocatalysis and electrocatalysis mechanisms and their synergistic technologies in biofuel production. It analyzes environmental and economic impacts of green catalytic processes, assesses current challenges, and outlines future research directions, condensing complex topics into a focused ...
Dalin Sun +9 more
wiley +1 more source
Fetal Cardiovascular Magnetic Resonance: History, Current Status, and Future Directions
Journal of Magnetic Resonance Imaging, EarlyView.Fetal cardiovascular magnetic resonance imaging (MRI) has emerged as a complementary modality for prenatal imaging in suspected congenital heart disease. Ongoing technical improvements extend the potential clinical value of fetal cardiovascular MRI.
Dominika Suchá +5 more
wiley +1 more source
PER Measurement of BLE in RF Interference and Harsh Electromagnetic Environment [PDF]
arXiv, 2021 Bluetooth Low Energy (BLE) is a short-range data transmission technology that is used for multimedia file sharing, home automation, and internet-of-things application. In this work, we perform packet error rate (PER) measurement and RF testing of BLE receiver in the harsh electromagnetic environment and in presence of RF interference.
arxiv
Regionally resolved cardiac metabolism using a dipole‐loop array coil for 7 T 31P‐MRSI
Magnetic Resonance in Medicine, EarlyView.Abstract Purpose We introduce a novel commercial phosphorus‐31 (31P) dipole‐loop array coil, describing the coil hardware and testing its performance on phantoms. We used this coil to assess cardiac metabolism per region in healthy volunteers. Methods B1+ field maps were simulated and compared to maps measured with a set of CSI sequences with varying ...
Jabrane Karkouri +8 more
wiley +1 more source
Broadband Measurement of Absorption Cross-Section of the Human Body in a Reverberation Chamber [PDF]
, 2013 We present broadband reverberation chamber measurements of the absorption cross section (ACS) of the hu- man body averaged over all directions of incidence and angles of polarization.
Dawson, John Frederick +4 more
core +1 more source
Small Structures, EarlyView.A top‐level design for broadband absorbers is proposed, combining multilayer structures with micro/nanomorphology regulation. Using electromagnetic simulations, controlled fabrication, and numerical analysis, tunable microwave absorption materials are created.
Tian Li +10 more
wiley +1 more source
Assessing ChatGPT Responses to Commonly Asked Questions About Hypoglossal Nerve Stimulation
World Journal of Otorhinolaryngology - Head and Neck Surgery, EarlyView.ABSTRACT Objective This study aimed to explore the accuracy and comprehensiveness of 10 frequently asked questions posed to ChatGPT, an online chatbot, regarding obstructive sleep apnea (OSA) and hypoglossal nerve stimulation (HNS) therapy. Methods Ten questions were formulated after extensive literature review alongside the guidance of the senior ...
Mihai A. Bentan +3 more
wiley +1 more source