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Mar
Duct Propagation Super Refraction. Elle résulte dune distribution verticale inhabituelle de la température et de lhumidité. The condition for the duct propagation to occur is when the transmitter antenna height is less than the height of duct region ie. The most important of these are. The duct is the region.
Super Refraction - Duct Wave Propagation 41. Duct propagation becomes possible only at frequencies above one thousand mega hertz. This refraction goes on continuing in this region of troposphere. La réfraction de la lumière correspond au changement de direction du rayon lumineux lorsque celui-ci traverse une surface séparant deux milieux dindices de réfraction différents. When the wave strikes the Earth or a warm layer below the duct it is again reflected or refracted upward and proceeds on through the duct with a multiple-hop type of action. The antenna height is required to be less than the height.
Elle est la cause des mirages de problèmes de.
The duct is the region between the. This is effect particularly common in desert regions. Super Refraction - Duct Wave Propagation 41. La réfraction de la lumière correspond au changement de direction du rayon lumineux lorsque celui-ci traverse une surface séparant deux milieux dindices de réfraction différents. Le plus souvent sera la situation de. Propagation Considerations in space wave propagation.