In order to estimate system performance at these frequencies, the atmospheric attenuation along the path must be known. In this paper, 440 sets of slant-path attenuation data at frequencies of 15 and ...

Atmospheric Attenuation,Attenuation Effect,Attenuation Loss,Cellular Networks,Coverage Performance,Coverage Probability,Directional Antenna,Elevation Angle,Empirical Model,Free-space Path ...

[2] Impact of air pollutants on influenza‐like illness outpatient visits under COVID‐19 pandemic in the subcenter of Beijing, China ...

Then a powerful atmospheric river is expected to arrive early Wednesday, bringing heavy rain along the coast through Thursday, with significant impacts to the mountains as it moves east through ...

Apr. 2, 2025 — As global temperatures warm, the Southern Ocean -- between Antarctica and other continents -- will eventually release heat absorbed from the atmosphere, leading to projected long ...