- radio on/off signal
- радиопереключаемый светофор
Англо-русский словарь промышленной и научной лексики. 2014.
Англо-русский словарь промышленной и научной лексики. 2014.
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-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… … Wikipedia
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
Signal Corps (United States Army) — U.S. Army Signal Corps Coat of Arms Active 3 March 1863 – Present Country … Wikipedia
Signal 1 — Infobox Radio station name = Signal One airdate = 5 September 1983 frequency = 96.4 MHz, 96.9 MHz, 102.6 MHz, DAB share = 13.9% share as of = September 2007 share source = [cite web|url=http://www.rajar.co.uk/listening/quarterly… … Wikipedia
Signal-to-noise ratio — For signal to noise ratio in statistics, see Cohen s d. Signal to noise ratio (often abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. It is defined… … Wikipedia
Radio Caroline — is a European radio station that started transmissions on Easter Sunday 1964 from a ship anchored in international waters off the coast of Felixstowe, Suffolk, England. [ [http://www.radiocaroline.co.uk/history2.asp Don t Get Mad, Get Even] ] It… … 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
Radio control — (often abbreviated to R/C or simply RC) is the use of radio signals to remotely control a device. The term is used frequently to refer to the control of model vehicles from a hand held radio transmitter. Industrial, military, and scientific… … Wikipedia
Signal/One — was a manufacturer of high performance SSB and CW HF radio communications transceivers initially based in St. Petersburg, Florida, USA. History The company started as a division of NCR in Florida. A key executive was Dick Ehrhorn, ham callsigns… … Wikipedia
Radio New Zealand National — Broadcast area New Zealand Frequency … Wikipedia