Results 51 to 60 of about 17,764,059 (293)

Kinetics‐Controlled Architecture of Binder‐Free Organic Electrodes for Enhanced Ion Transport

open access: yesAdvanced Functional Materials, EarlyView.
Pulse reverse electrodeposition controls nucleation and growth to create hierarchically porous Py‐derived oligomeric electrodes with enhanced ionic accessibility and reduced transport resistance. The resulting binder‐free architectures translate these transport advantages into practical sodium‐storage functionality.
Satendra Kumar   +1 more
wiley   +1 more source

Characterisation of resident space objects using multistatic interferometric inverse synthetic aperture radar imaging

open access: yesIET Radar, Sonar & Navigation
This paper illustrates an interferometric inverse synthetic aperture radar based on three‐dimensional imaging and rotational velocity estimation from a multistatic setup with three ground‐based radars with non‐orthogonal baselines.
Manjunath Thindlu Rudrappa   +2 more
doaj   +1 more source

Noise Radar Technology: Waveforms Design and Field Trials

open access: yesSensors, 2021
Performance of continuous emission noise radar systems are affected by the sidelobes of the output of the matched filter, with significant effects on detection and dynamic range.
Gaspare Galati   +3 more
doaj   +1 more source

Rapid Microwave Plasma Engineering of HfO2/C@C Core‐Shell Fibrous Membrane Toward Flexible High‐Performance Electromagnetic Wave Absorption

open access: yesAdvanced Functional Materials, EarlyView.
Rapid microwave plasma torch engineering tunes crystal phases, carbon graphitization and oxygen‐vacancy defects in HfO2/C@C core‐shell fibrous membranes. Synergistic multi‐loss effects optimize impedance matching to deliver −65.75 dB reflection loss and a 7.37 GHz effective bandwidth for flexible electromagnetic wave absorption.
Qichao Ding   +14 more
wiley   +1 more source

Dimensionality‐Driven Interfacial Electronic Coupling in Carbon‐Supported Gd‐CuO Catalysts for Selective CO2 Electroreduction to Ethylene

open access: yesAdvanced Functional Materials, EarlyView.
The 2D carbon‐supported Gd–CuO exhibits strong interfacial electronic coupling, abundant oxygen vacancies, and highly exposed active sites, enabling efficient CO enrichment and C─C coupling toward selective and durable CO2‐to‐C2H4 conversion. ABSTRACT Copper‐based catalysts are promising for electrochemical CO2 reduction toward value‐added chemicals ...
Xueya Zhu   +11 more
wiley   +1 more source

Polymer Side‐Chain Electronic Effects Regulating Solvation Sheath for Low‐Temperature and High‐Voltage Lithium Metal Batteries

open access: yesAdvanced Functional Materials, EarlyView.
This work reveals the influence of polymer side‐chain electronic effects on the Li+ solvation sheath in gel polymer electrolytes. Electron‐donating side chains induce the strong Li+ coordination and FDMA‐dominated solvation, impeding Li+ desolvation, whereas electron‐withdrawing side chains weaken Li+ coordination, facilitating anion‐rich solvation and
Xianbin Wu   +7 more
wiley   +1 more source

94 GHz Monolithic Transmitter for Weather Radar Application [PDF]

open access: yes, 2011
This thesis was written for concluding my studies at the University of Padua. The main topic is the design of a monolithic transmitter in SiGe bipolar technology, for weather radar application at an operating frequency around 94GHz.
Puliero , Claudio
core  

Errors and uncertainties in microwave link rainfall estimation explored using drop size measurements and high-resolution radar data [PDF]

open access: yes, 2010
Microwave links can be used for the estimation of path-averaged rainfall by using either the path-integrated attenuation or the difference in attenuation of two signals with different frequencies and/or polarizations.
Uijlenhoet, Remko   +8 more
core   +1 more source

Dynamic Observation of Lacy Pattern Formation in a Bone Tissue Model Using Liquid Phase Scanning Transmission Electron Microscopy

open access: yesAdvanced Functional Materials, EarlyView.
Here, we establish a low‐dose liquid‐phase electron microscopy workflow for real‐time observation of biological processes in hydrated conditions. Beam damage is reduced by imaging only 20% of the pixels and reconstructing the complete image using an inpainting algorithm.
Luco Rutten   +7 more
wiley   +1 more source

UAV-Carried Multi-Sensor System for Detecting People and Monitoring Vital Signs in Open-Field Rescue Scenarios

open access: yesIEEE Access
In post-disaster situations, emergency services require an efficient method to quickly detect and monitor the vital signs of injured people. In this work, we present a UAV-carried sensor system to locate injured people in open-field rescue scenarios and ...
Bassam Elmakhzangy   +12 more
doaj   +1 more source

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