- radio propagation prediction
- прогноз распространения радиоволн
English-Russian dictionary of modern telecommunications. 2003.
English-Russian dictionary of modern telecommunications. 2003.
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
Propagation sur ondes courtes — Propagation en haute fréquence La propagation en haute fréquence (ici synonyme d ondes courtes, de 3 à 30 MHz), utilise des phénomènes physiques variés, onde de sol, onde directe ou réflexion ionosphérique, rendant la réception fluctuante.… … Wikipédia en Français
radio — /ray dee oh /, n., pl. radios, adj., v., radioed, radioing. n. 1. wireless telegraphy or telephony: speeches broadcast by radio. 2. an apparatus for receiving or transmitting radio broadcasts. 3. a message transmitted by radio. adj. 4. pertaining … Universalium
Propagation en haute fréquence — La propagation en haute fréquence (ici synonyme d ondes courtes, de 3 à 30 MHz), utilise des phénomènes physiques variés, onde de sol, onde directe ou réflexion ionosphérique, rendant la réception fluctuante. Son utilisation pour les… … Wikipédia en Français
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
Outline of radio — The following outline is provided as an overview of and topical guide to radio: Radio – transmission of signals by modulation of electromagnetic waves with frequencies below those of visible light.[1] Electromagnetic radiation travels by means of … Wikipedia
Anomalous propagation — In Radio: Anomalous propagation includes different forms of electromagnetic wave propagation that are not encountered in a standard atmosphere. While technically the term includes propagation with larger losses than in standard atmosphere, in… … Wikipedia
Terrestrial Trunked Radio — TETRA redirects here. For other uses, see Tetra (disambiguation) TErrestrial Trunked RAdio [ETSI EN 300 392 2 v3.2.1] (TETRA) (formerly known as Trans European Trunked RAdio ) is a specialist Professional Mobile Radio [http://www.tetra… … Wikipedia
Geophysical MASINT — is a branch of Measurement and Signature Intelligence (MASINT) that involves phenomena transmitted through the earth (ground, water, atmosphere) and manmade structures including emitted or reflected sounds, pressure waves, vibrations, and… … Wikipedia
Path loss — (or path attenuation) is the reduction in power density (attenuation) of an electromagnetic wave as it propagates through space. Path loss is a major component in the analysis and design of the link budget of a telecommunication system.This term… … Wikipedia
ITU Model for Indoor Attenuation — The ITU Indoor Propagation Model, also known as ITU Model for Indoor Attenuation , is a radio propagation model that estimates the path loss inside a room or a closed area inside a building delimited by walls of any form. Suitable for appliances… … Wikipedia