Results 241 to 250 of about 5,686 (263)

Single-image dehazing method based on Rayleigh Scattering and adaptive color compensation. [PDF]

PLoS One
Guo X, Sun Q, Zhao J, Sun M, Qiao Y, Zhang Y, Zhou Y.   +6 more
europepmc   +1 more source

TLCFormer: synergizing temporal motion and local contrast for robust infrared video small object detection. [PDF]

Sci Rep
Wang Z, Li L, Bai F.
europepmc   +1 more source

Assessment of clear sky atmospheric attenuation procedures for propagation application

, 2006
Measurements in clear sky conditions carried out with different instruments were used to assess the suitability of radiometers for propagation studies at millimeter wavelengths. To this aim, long term statistics of Integrated Water Vapor Content (V), Integrated Liquid Water Content (L) and the corresponding attenuation contributions at different ...
CAPSONI, CARLO, LUINI, LORENZO, A. Martellucci, RIVA, CARLO GIUSEPPE   +3 more
openaire   +2 more sources

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Using meteorological data for clear sky and cloud attenuation in Belgium and India

2019 URSI Asia-Pacific Radio Science Conference (AP-RASC), 2019
Future High Throughput Satellite Communication Systems and Earth Observation Satellite Data Download foresee the use of frequencies in Ka band and above because those frequency bands offer advantages in terms of bandwidth and capacity. In that frequency range, the degradation due to the troposphere becomes important and the designers need a better ...
Gargi Rakshit, Laurent Quibus, Danielle Vanhoenacker-Janvier, Animesh Maitra   +3 more
openaire   +1 more source

A semi-empirical approach for the estimation of global, direct and diffuse illuminance under clear sky condition in the tropics

Energy and Buildings, 2013
This paper presents semi-empirical models for estimating global, direct and diffuse illuminances under clear sky conditions in Thailand. The major components of the atmosphere causing attenuation are written explicitly.
S Janjai, R Wattan
exaly   +1 more source

Statistics of clear sky atmospheric attenuation at 29.9 GHz at Tropical Region Amritsar (INDIA)

2005 Asia-Pacific Microwave Conference Proceedings, 2006
The paper presents the monthly variation of clear sky attenuation at 29.9 GHz. The measurements from 29.9 GHz radiometer using a metallic reflector sheet have been used for the purpose.
P. Sharma, I.S. Hudiara, M.L. Singh
openaire   +1 more source

Effects of aerosols and water vapour on spatial-temporal variations of the clear-sky surface solar radiation in China

Atmospheric Research, 2021
Ming Zhang, Lunche Wang, Junli Li
exaly  

Worldwide performance assessment of 95 direct and diffuse clear-sky irradiance models using principal component analysis

Renewable and Sustainable Energy Reviews, 2021
Xixi Sun, Jamie M Bright, Christian A Gueymard   +2 more
exaly  

A universal relationship for estimating clear sky insolation

Energy Conversion and Management, 2004
T Nejat VEZİROĞLU
exaly  

Clear sky solar irradiance models: A review of seventy models

Renewable and Sustainable Energy Reviews, 2019
F Antonanzas-Torres, R Urraca, Jesus Polo   +2 more
exaly