Results 21 to 30 of about 418,008 (299)

An Enhanced Three-Band Index for Estimating Chlorophyll-a in Turbid Case-II Waters: Case Studies of Lake Kasumigaura, Japan, and Lake Dianchi, China [PDF]

open access: yes, 2010
A three-band index was previously proposed and successfully utilized to estimate the chlorophyll-a concentration (Chl-a) in case-II waters. However, this index shows uncertainties in highly turbid situations.
Chen Jin   +6 more
core   +1 more source

Short-Term PV Power Forecasting Using a Hybrid TVF-EMD-ELM Strategy

open access: yesInternational Transactions on Electrical Energy Systems, 2023
This paper discusses the efficient implementation of a new hybrid approach to forecasting short-term PV power production for four different PV plants in Algeria. The developed model incorporates a time-varying filter-empirical mode decomposition (TVF-EMD)
Reski Khelifi   +8 more
semanticscholar   +1 more source

Estimation of ground reaction forces and ankle moment with multiple, low-cost sensors [PDF]

open access: yes, 2015
Background Wearable sensor systems can provide data for at-home gait analyses and input to controllers for rehabilitation devices but they often have reduced estimation accuracy compared to laboratory systems. The goal of this study is to
Ferris, Daniel P, Jacobs, Daniel A
core   +3 more sources

ECOSTRESS: NASA's Next Generation Mission to Measure Evapotranspiration From the International Space Station

open access: yesWater Resources Research, 2020
The ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station (ECOSTRESS) was launched to the International Space Station on 29 June 2018 by the National Aeronautics and Space Administration (NASA).
Joshua B. Fisher   +58 more
semanticscholar   +1 more source

Models of criterion evaluation of the image processing systems effectiveness

open access: yesЗбірник наукових праць Державного університету інфраструктури та технологій: серія "Транспортні системи і технології", 2023
The criteria used to evaluate the effectiveness of image processing systems are investigated in the article. The requirements for performance criteria are analyzed.
O. Gertsiy
doaj  

A Novel Combined Model for Predicting Humidity in Sheep Housing Facilities

open access: yesAnimals, 2022
Accurately predicting humidity changes in sheep barns is important to ensure the healthy growth of the animals and to improve the economic returns of sheep farming.
Dachun Feng   +8 more
doaj   +1 more source

A phonocardiographic-based fiber-optic sensor and adaptive filtering system for noninvasive continuous fetal heart rate monitoring [PDF]

open access: yes, 2017
This paper focuses on the design, realization, and verification of a novel phonocardiographic-based fiber-optic sensor and adaptive signal processing system for noninvasive continuous fetal heart rate (fHR) monitoring.
Bilík, Petr   +8 more
core   +2 more sources

Applicability of Downscaling Land Surface Temperature by Using Normalized Difference Sand Index

open access: yesScientific Reports, 2018
Land surface temperature (LST) in coarse spatial resolution derived from thermal infrared satellite images has limited use in many remote sensing applications.
Xin Pan   +5 more
semanticscholar   +1 more source

Implicit neural representations for unsupervised super-resolution and denoising of 4D flow MRI [PDF]

open access: yesComput. Methods Programs Biomed., 2023
BACKGROUND AND OBJECTIVE 4D flow magnetic resonance imaging provides time-resolved blood flow velocity measurements, but suffers from limitations in spatio-temporal resolution and noise. In this study, we investigated the use of sinusoidal representation
S. Saitta   +4 more
semanticscholar   +1 more source

Short-term wind power prediction based on extreme learning machine with error correction

open access: yesProtection and Control of Modern Power Systems, 2016
Large-scale integration of wind generation brings great challenges to the secure operation of the power systems due to the intermittence nature of wind. The fluctuation of the wind generation has a great impact on the unit commitment.
Zhi Li   +5 more
semanticscholar   +1 more source

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