Results 181 to 190 of about 76,234 (259)
Wearable Tailored Passive Radiative Cooling Textile for Flexible Electronic Integration
A scalable, additive‐free wearable tailored passive radiative cooling textile (WRCT) with hierarchically structured fibers delivers exceptional thermal management, combining >95% solar reflectance, 0.96 mid‐infrared emissivity, and ultralow thermal conductivity (0.041 W/m·K).
Lung Chow +24 more
wiley +1 more source
Reconfigurable Spoof Plasmonic Skyrmion Electronics for Deformation‐Invariant Multimode Sensing
A flexible multimode sensor based on capacitively loaded spoof plasmonic skyrmions enables deformation‐invariant dielectric sensing with ultra‐compact size and high Q‐factor. Near‐equidistant resonances remain stable under shape change and bending, while capacitor loading improves bending robustness and multimode sensitivity, highlighting strong ...
Zengxiang Wang +7 more
wiley +1 more source
Superlattice Architectures for Advancing Photothermal Catalysis: Mechanisms and Applications
This paper provides a timely overview of superlattice architectures in photothermal catalysis, with a systematic review on mechanisms at both atomic and macroscopic scales in different processes, challenges, and future opportunities. ABSTRACT Photothermal catalysis has emerged as a powerful strategy to complement photocatalysis by harnessing full ...
Yuzhao Wu +5 more
wiley +1 more source
The introduction of high‐sublimation‐temperature additives during the mechanosynthesis of FAPbI3 powders enables the single‐source evaporation of phase‐pure, additive‐free FAPbI3 thin films of high optoelectronic quality. The additive‐engineered deposition process yields photovoltaic devices with stabilized efficiencies exceeding 18% for an active ...
Zongbao Zhang +13 more
wiley +1 more source
The 13C hyperfine structure of the 5‐deazaflavin radical is elucidated by photo‐chemically induced dynamic nuclear polarization spectroscopy and compared to the flavin radical. Despite structural similarity to flavins, 5‐deazaflavins were long thought to act only as two‐electron transfer agents.
Sabrina Panter +6 more
wiley +1 more source
A Joint Channel Modeling, Parameter Estimation and Geometry‐Based Indoor Localization for 5G Systems
We propose an end‐to‐end method to accurately localize mobile stations in indoor scenarios, such as those found in Industry 4.0. To this end, we jointly perform wireless channel modeling considering mmWave and MIMO technologies, parameter estimation in 3D, and simple and fine‐grained geometry‐based localization.
Paulo Francisco da Conceição +2 more
wiley +1 more source
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IEEE Communications Magazine, 2004
Ultra wideband antennas are specifically designed to transmit and/or receive very short time durations of electromagnetic energy. It is well known that UWB antenna design remains the major factor in the progress of UWB technology. This article describes a study of conventional antennas and why they are not suitable for a UWB system.
Kamya Yekeh Yazdandoost, Ryuji Kohno
exaly +2 more sources
Ultra wideband antennas are specifically designed to transmit and/or receive very short time durations of electromagnetic energy. It is well known that UWB antenna design remains the major factor in the progress of UWB technology. This article describes a study of conventional antennas and why they are not suitable for a UWB system.
Kamya Yekeh Yazdandoost, Ryuji Kohno
exaly +2 more sources
Compact wearable MIMO antenna with improved port isolation for ultra‐wideband applications
IET Microwaves, Antennas and Propagation, 2019In this communication, a compact two-element ultra-wideband (UWB) wearable multiple-input multiple-output (MIMO) antenna with high port isolation is presented.
Ashim Kumar Biswas, Ujjal Chakraborty
exaly +2 more sources
Electromagnetic Modeling of the Ultra-Wideband Antenna Array Radiator
2023 Radiation and Scattering of Electromagnetic Waves (RSEMW), 2023The results of electrodynamic modeling of the ultra-wideband antenna array radiator using the ANSYS HFSS software are presented in the paper. The frequency characteristics of the ultra-wideband antenna array radiator using the ANSYS software was ...
K. Klimov +4 more
semanticscholar +1 more source
An Ultra-Wideband Antenna With Low Dispersion for Ground Penetrating Radar System
IEEE Sensors Journal, 2021An Ultra-wideband Antenna with funnel-shaped slots and rectangle copper sheets loaded was proposed for ground penetrating radar applications covering the frequency range from 250 MHz to 780 MHz.
Yuxuan Wu +3 more
semanticscholar +1 more source

