- radio propagation
- распространение радиоволн
Большой англо-русский и русско-английский словарь. 2001.
radio propagation
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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 propagation beacon — A radio propagation beacon is a radio beacon, whose purpose is the investigation of the propagation of radio signals. Most radio propagation beacons use amateur radio frequencies. They can be found on HF, VHF, UHF, and microwave frequencies.… … Wikipedia
List of radio propagation topics — This is a list of radio propagation terms. NOTOC A a index A index aa index active prominence active prominence region (APR) active region active surge region (ASR) active dark filament (ADF) AE index Air Force Geophysics Laboratory (AFGL) arch… … Wikipedia
Radio waves — are electromagnetic waves occurring on the radio frequency portion of the electromagnetic spectrum. A common use is to transport information through the atmosphere or outer space without wires. Radio waves are distinguished from other kinds of… … Wikipedia
Propagation — can refer to:*Reproduction, and other forms of multiplication or increase **Plant propagation, the production of more plants by seeds, cuttings, grafting or other methods **Propagation of schema, in artificial reproduction *Wave propagation, the… … Wikipedia
Radio — is the transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light.Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of… … Wikipedia
Radio Observatorio de Jicamarca — Saltar a navegación, búsqueda Radio Observatorio de Jicamarca Organización Instituto Geofísico del Perú … Wikipedia Español
Radio Fréquence — Onde radio Une onde radioélectrique (dite onde radio) est une onde électromagnétique dont la fréquence est inférieure à 3 000 GHz, soit une longueur d onde supérieure à 0,1 mm. Sommaire 1 Définition et réglementation 2 Spectre… … Wikipédia en Français
Radio fréquence — Onde radio Une onde radioélectrique (dite onde radio) est une onde électromagnétique dont la fréquence est inférieure à 3 000 GHz, soit une longueur d onde supérieure à 0,1 mm. Sommaire 1 Définition et réglementation 2 Spectre… … 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
