Results 31 to 40 of about 7,241 (305)
A Quality Control Concept for Radar Reflectivity, Polarimetric Parameters, and Doppler Velocity [PDF]
, 2006 Over the last few years the use of weather radar data has become a fundamental part of various applications like rain-rate estimation, nowcasting of severe weather events, and assimilation into numerical weather prediction models.
Friedrich, Katja +2 more
core +1 more source
Remote Sensing, 2021 The impact of large atmospheric attenuation events on data quality and availability is a critical aspect for future altimetry missions based on Ka-band altimetry.
Bruno Picard +3 more
doaj +1 more source
Effects of rain attenuation on satellite communication link
, 2014 Rain attenuation is a major challenge to microwave satellite communication especially at frequencies above 10 GHz, causing unavailability of signals most of the time.
Chukwuneke, N.S. +6 more
core +1 more source
International Journal of Antennas and Propagation, 2015 As technology advances and more demands are on satellite services, rain-induced attenuation still creates one of the most damaging effects of the atmosphere on the quality of radio communication signals, especially those operating above 10 GHz.
J. S. Ojo, P. A. Owolawi
doaj +1 more source
Rain Attenuation at 58 GHz: Prediction versus Long-Term Trial Results
EURASIP Journal on Wireless Communications and Networking, 2007 Electromagnetic wave propagation research in frequency band 58 GHz was started at TESTCOM in Praha due to lack of experimentally obtained results needed for a realistic calculation of quality and availability of point-to-point fixed systems.
Vaclav Kvicera, Martin Grabner
doaj +2 more sources
Rain Attenuation Study over an 18 GHz Terrestrial Microwave Link in South Korea
International Journal of Antennas and Propagation, 2019 Absorption of microwave radio frequency signal by atmospheric rain and losses is prevalent at frequencies above 5 GHz. The functioning frequencies of 18 GHz are taken for the point-to-point microwave link system.
Sujan Shrestha, Dong-You Choi
doaj +1 more source
Millimeter Wave Attenuation Due to Wind and Heavy Rain in a Tropical Region
Sensors, 2023 Millimeter wave fixed wireless systems in future backhaul and access network applications can be affected by weather conditions. The losses caused by rain attenuation and antenna misalignment due to wind-induced vibrations have greater impacts on the ...
Ukrit Mankong +7 more
doaj +1 more source
Advanced Functional Materials, EarlyView.A soft, dual‐channel hydrogel patch enables simultaneous detection of wound temperature and strain by integrating ion‐diffusion‐mediated thermoelectric and resistive sensing. The conformal design maintains stable performance during motion, capturing subtle inflammatory and mechanical changes for continuous wound monitoring.
Yu Fang +7 more
wiley +1 more source
Analysis of Propagation of Electromagnetic Waves in Atmospheric Hydrometeors on Low-Elevation Paths [PDF]
Radioengineering, 2018 Attenuation of electromagnetic waves in millimeter wave bands is analyzed by means of experimental measurement of received signal fluctuations on terrestrial radio links operating in frequency bands 58, 94 and 122 GHz.
M. Grabner, P. Pechac, P. Valtr
doaj
Investigation of the effects of cloud attenuation on satellite communication systems [PDF]
, 2012 The aim of this project is to investigate the attenuation due to clouds at 20- 50GHz; to develop an accurate long-term prediction model of cloud attenuation applicable to slant-path links and evaluate the impact of cloud attenuation dynamics on the ...
Alawadi, Tareq A.
core