Results 71 to 80 of about 5,686 (263)

Retrieval of at-sensor irradiance using Incident Light Sensor (ILS)

open access: yes, 2002
A number of aircraft sensors have the facility to measure spectral downwelling irradiance using a sensor mounted on the roof of the aircraft, but these data are rarely used for atmospheric correction.
Milton, E.J., Choi, Kyu-Young
core  

Microscale Mapping of Fiber Strain and Damage in Composite Wrinkled Laminates Using Computed Tomography Assisted Wide‐Angle X‐Ray Scattering

open access: yesAdvanced Science, EarlyView.
This study combines full‐field tomography with diffraction mapping to quantify radial (ε002$\varepsilon _{002}$) and axial (ε100$\varepsilon _{100}$) lattice strain in wrinkled carbon‐fiber specimens for the first time. Radial microstrain gradients (−14.5 µεMPa$\varepsilon \mathrm{MPa}$−1) are found to signal damage‐prone zones ahead of failure, which ...
Hoang Minh Luong   +7 more
wiley   +1 more source

Solar irradiance attenuation through high resolution 3D cloud field [PDF]

open access: yes, 2017
LAUREA MAGISTRALENonostante il grande potenziale, solo una piccola porzione di energia solare raggiunge la superficie della terra che viene poi utilizzata nella produzione di energia elettrica.
TANVEER, RAMAL
core  

Advances and Perspectives in Graphene‐Based Quantum Dots Enabled Neuromorphic Devices

open access: yesAdvanced Science, EarlyView.
Graphene‐based QDs are zero‐dimensional carbon nanomaterials with pronounced quantum confinement and tunable electronic structures. Herein, we summarize their synthesis strategies and functionalization methods, and highlight their functional roles and operating mechanisms in devices, as well as recent advances in neuromorphic electronics. We anticipate
Yulin Zhen   +9 more
wiley   +1 more source

Trends in observed surface solar radiation and their causes in Brazil in the first 2 decades of the 21st century [PDF]

open access: yesAtmospheric Chemistry and Physics
Numerous studies have investigated the long-term variability in surface solar radiation (SSR) around the world. However, the large disparity in the availability of observational data between developed and less developed/developing countries leads to an ...
L. Ferreira Correa   +3 more
doaj   +1 more source

Self‐Powered Bearing Sensing and Real‐Time Fault Diagnosis Enabled by Non‐Invasive Triboelectric Sensors and Edge AI Acceleration

open access: yesAdvanced Science, EarlyView.
This study achieves the synergistic integration of self‐powered sensing and edge AI acceleration to establish a real‐time fault diagnosis system. The proposed TENG‐based self‐powered bearing sensor (NSE‐TBS) and FPGA‐accelerated edge AI framework fundamentally break through the inherent limitations of conventional monitoring systems, including complex ...
Kehui Zhu   +7 more
wiley   +1 more source

Modeling and Predicting Sky-Noise Temperature of Clear, Cloudy, and Rainy Atmosphere From X- to W-Band

open access: yes, 2013
A physically-based parametric model (PPM) to predict the sky-noise temperature in all weather conditions is proposed. The proposed prediction model is based on the non-linear regression fit of numerical simulations derived from the sky-noise eddington ...
MATTIOLI, VINIA   +4 more
core   +1 more source

Small renal masses (≤ 4 cm): differentiation of oncocytoma from renal clear cell carcinoma using ratio of lesion to cortex attenuation and aorta–lesion attenuation difference (ALAD) on contrast-enhanced CT

open access: yes, 2020
Purpose: We investigate the use of ratio of lesion to cortex (L/C) attenuation and aorta–lesion attenuation difference (ALAD) on multiphase contrast-enhanced CT to help distinguish oncocytoma from clear cell RCC in small renal masses (diameter < 4 ...
Bronico I.   +6 more
core   +1 more source

Full‐Stack Architectures for Intelligent Brain‐Computer Interfaces

open access: yesAdvanced Science, EarlyView.
System‐level overview of brain–computer interfaces (BCIs), illustrating the integration of neural signal acquisition, wireless transmission, and adaptive decoding. Advanced electrode, tissue interfaces, energy‐efficient communication, and robust algorithms collectively enable stable signal quality, real‐time processing, and closed‐loop operation ...
Hee Kyu Lee   +9 more
wiley   +1 more source

Effect of Gas Attenuation Prediction Models at Ota, Southwest Nigeria [PDF]

open access: yes, 2019
The demand for satellite services is rapidly increasing on a daily basis. One of the major concern for satellite telecommunication designer is the impacts of gas attenuation on earth-space path link, most importantly in tropical areas.This research has
Omotosho, T. V.   +5 more
core   +2 more sources

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