A Modified Radiopropagation Multipath Model for Constant Refractivity Gradient Profiles [PDF]
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 2023 This paper presents a radiopropagation algorithm based on a Ray Tracing (RT) technique that combines a modified multipath model for constant refractivity gradient profiles and the Uniform Theory of Diffraction (UTD).
D. Parada +5 more
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High Temporal Resolution Refractivity Retrieval from Radar Phase Measurements [PDF]
Remote Sensing, 2018 Knowledge of the spatial and temporal variability of near-surface water vapor is of great importance to successfully model reliable radio communications systems and forecast atmospheric phenomena such as convective initiation and boundary layer processes.
Rubén Nocelo López +1 more
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Spatial and Seasonal Estimation of Tropospheric Radio Refractivity in Nigeria
African Scientific Reports, 2022 The spatial and seasonal variation of tropospheric radio refractivity of Nigeria has been studied using meteorological variables (temperature, relative humidity and pressure) retrieved from the archive of the United States’ National Aeronautics for ...
M. M. Tanko +3 more
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Ten years analysis of Tropospheric refractivity variations
Annals of Geophysics, 2004 The refractivity variations of the troposphere are responsible for various effects on radio wave propagation, such as refraction, bending, radio-station interference, etc.
T. D. Xenos, S. A. Isaakidis
doaj +4 more sources
Refractivity variations and propagation at Ultra High Frequency
Results in Physics, 2017 Present framework is established to deal with the refractivity variations normally affected the radio waves propagation at different frequencies, ranges and different environments.
I. Alam +4 more
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Full-Coupled Convolutional Transformer for Surface-Based Duct Refractivity Inversion
Remote Sensing, 2022 A surface-based duct (SBD) is an abnormal atmospheric structure with a low probability of occurrence buta strong ability to trap electromagnetic waves. However, the existing research is based on the assumption that the range direction of the surface duct
Jiajing Wu +6 more
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Inversion for refractivity parameters from radar sea clutter
Radio Science, 2003 [1] This paper describes estimation of low-altitude atmospheric refractivity from radar sea clutter observations. The vertical structure of the refractive environment is modeled using five parameters, and the horizontal structure is modeled using six ...
Peter Gerstoft
exaly +1 more source
Retrieving tropospheric refractivity structure using interferometry of aircraft radio transmissions [PDF]
Atmospheric Measurement TechniquesDetailed measurements of atmospheric humidity in the lower atmosphere are currently difficult and expensive to obtain. For this reason, there is interest in the development of low-cost, high-volume opportunistic technologies to acquire measurements of ...
O. Lewis +5 more
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Comparative Analysis of Binhu and Cosmic-2 Radio Occultation Data
Remote Sensing, 2022 Global Navigation Satellite System (GNSS) radio occultation (RO) technology has been widely used in Earth atmospheric detection and has a significant impact on numerical weather prediction (NWP), climate detection, and other fields. Cosmic-2 LEO-1 (C2E1)
Hongjie Zhang +7 more
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Effect of Magnetic Coupling on the Optical Properties of Oxide Co Nanowires on Vicinal Pt Surfaces
Magnetochemistry, 2023 Nowadays, modern scientific research has sparked a renewed interest to study the interaction of electromagnetic field (EM) with magnetic nanostructures and in particular in nanophotonics and spintronics.
Kseniya M. Tsysar +2 more
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