- radio-wave propagation conditions
- радиопогода
English-Russian military dictionary. 2014.
radio-wave propagation conditions
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Radio propagation — is a term used to explain how radio waves behave when they are transmitted, or are propagated from one point on the Earth to another. [ H. P. Westman et al, (ed), Reference Data for Radio Engineers, Fifth Edition , 1968, Howard W. Sams and Co.,… … Wikipedia
Radio propagation model — A radio propagation model, also known as the Radio Wave Propagation Model or the Radio Frequency Propagation Model , is an empirical mathematical formulation for the characterization of radio wave propagation as a function of frequency, distance… … Wikipedia
Radio horizon — In telecommunication, radio horizon is the locus of points at which direct rays from an antenna are tangential to the surface of the Earth. If the Earth were a perfect sphere and there were no atmospheric anomalies, the radio horizon would be a… … Wikipedia
Radio jamming — is the (usually deliberate) transmission of radio signals that disrupt communications by decreasing the signal to noise ratio. Unintentional jamming occurs when an operator transmits on a busy frequency without checking that it is in use first,… … Wikipedia
Propagation des ondes radio — Les ondes radioélectriques ou ondes hertziennes sont des ondes électromagnétiques qui se propagent de deux façons : dans l espace libre (propagation rayonnée, autour de la Terre par exemple) dans des lignes (propagation guidée, dans un câble … Wikipédia en Français
Radio-amateur — Radioamateur Pour les articles homonymes, voir Radio. Le shack ou station d un opérateur radioamateur … Wikipédia en Français
Radio-amateurisme — Radioamateur Pour les articles homonymes, voir Radio. Le shack ou station d un opérateur radioamateur … Wikipédia en Français
Radio amateur — Radioamateur Pour les articles homonymes, voir Radio. Le shack ou station d un opérateur radioamateur … Wikipédia en Français
Radio clock — A radio clock is a clock that is synchronized by a time code bit stream transmitted by a radio transmitter connected to a time standard such as an atomic clock. Such a clock may be synchronized to the time sent by a single transmitter, such as… … Wikipedia
Non-line-of-sight propagation — Non line of sight (NLOS) or near line of sight is a term used to describe radio transmission across a path that is partially obstructed, usually by a physical object in the innermost Fresnel zone. Many types of radio transmissions depend, to… … Wikipedia
Surface wave — Diving grebe creates surface waves In physics, a surface wave is a mechanical wave that propagates along the interface between differing media, usually two fluids with different densities. A surface wave can also be an electromagnetic wave guided … Wikipedia
