- radio-wave reflection
- Техника: отражение радиоволн
Универсальный англо-русский словарь. Академик.ру. 2011.
radio-wave reflection
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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 — /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
Wave — A wave is a disturbance that propagates through space and time, usually with transference of energy. While a mechanical wave exists in a medium (which on deformation is capable of producing elastic restoring forces), waves of electromagnetic… … Wikipedia
radio altimeter — noun : an altimeter utilizing the lag between the time of transmission of a radio wave from an airplane and the time of reception of the same wave after reflection from the ground * * * radio altimeter see under ↑altimeter • • • Main Entry:… … Useful english dictionary
Reflection seismology — (or seismic reflection) is a method of exploration geophysics that uses the principles of seismology to estimate the properties of the Earth s subsurface from reflected seismic waves. The method requires a controlled seismic source of energy,… … 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 acoustic sounding system — A radio acoustic sounding system (RASS) is a system for measuring the atmospheric lapse rate using backscattering of radio waves from an acoustic wave front to measure the speed of sound at various heights above the ground. This is possible… … Wikipedia
abnormal reflection — Reflection from the ionosphere of a radio wave whose frequency is greater than the critical frequency … Dictionary of automotive terms
Antenna (radio) — Whip antenna on car … 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
ground wave — noun a radio wave propagated on or near the earth s surface • Hypernyms: ↑radio wave, ↑radio emission, ↑radio radiation * * * noun : a radio wave that is propagated along the surface of the earth * * * a radio wave that propagates on or near the… … Useful english dictionary
