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radio frequency - перевод на греческий
ELECTROMAGNETIC FREQUENCIES RANGING FROM 3 KHZ TO 300 GHZ
Radio frequencies; Radio Frequency; Radiofrequency; RF spectrum; Radio frequencies and wavelengths; Radio-frequency; Radio-frequency spectrum; RF stage; Radio Frequencies (table); RF signal; Radio frequemcy; Radio frequency spectrum; Rf wave; Wireless frequency; R.F.; R.f.; Rf.; R F; RF; RF energy; Radio-frequency communication; Radio frequency communication; Radio-frequency current; RF current
radio frequency
ραδιοφωνική συχνότητα
radio transmission
![[[Frequency]] spectrum of a typical modulated AM or FM radio signal. It consists of a component ''C'' at the [[carrier wave]] frequency <math>f_c</math> with the information ([[modulation]]) contained in two narrow bands of frequencies called [[sideband]]s (''SB'') just above and below the carrier frequency.](https://commons.wikimedia.org/wiki/Special:FilePath/Modulated radio signal frequency spectrum.svg?width=200 "[[Frequency]] spectrum of a typical modulated AM or FM radio signal. It consists of a component ''C'' at the [[carrier wave]] frequency <math>f_c</math> with the information ([[modulation]]) contained in two narrow bands of frequencies called [[sideband]]s (''SB'') just above and below the carrier frequency.")
![Radio communication. Information such as sound is converted by a transducer such as a [[microphone]] to an electrical signal, which modulates a [[radio wave]] produced by the [[transmitter]]. A receiver intercepts the radio wave and extracts the information-bearing modulation signal, which is converted back to a human usable form with another transducer such as a [[loudspeaker]].](https://commons.wikimedia.org/wiki/Special:FilePath/Signal processing system.png?width=200 "Radio communication. Information such as sound is converted by a transducer such as a [[microphone]] to an electrical signal, which modulates a [[radio wave]] produced by the [[transmitter]]. A receiver intercepts the radio wave and extracts the information-bearing modulation signal, which is converted back to a human usable form with another transducer such as a [[loudspeaker]].")
![Volkswagen's RNS-510 receiver supports [[Sirius Satellite Radio]].](https://commons.wikimedia.org/wiki/Special:FilePath/SiriusXM Display on Volkswagen's RNS-510 Receiver.png?width=200 "Volkswagen's RNS-510 receiver supports [[Sirius Satellite Radio]].")
![shows its own photo]]](https://commons.wikimedia.org/wiki/Special:FilePath/Wireless network.jpg?width=200 "shows its own photo]]")
TECHNOLOGY OF SIGNALING AND COMMUNICATING USING RADIO WAVES
Radio transmission; Radio communications; Radiocommunication; RADIO; Terrestrial Radio; Radio communication; Radios; Radio communication system; Radio technician; Radio technology; Radio mechanic; Radio data communication; Applications of radio; Radiocommunications
ραδιομετάδοση
ραδιοφωνική συχνότητα
radio frequency
Определение
radio frequency
¦ noun a frequency or band of frequencies in the range 104 to 1011 or 1012 hertz, suitable for use in telecommunications.
Википедия
Radio frequency
Radio frequency (RF) is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency range from around 20 kHz to around 300 GHz. This is roughly between the upper limit of audio frequencies and the lower limit of infrared frequencies; these are the frequencies at which energy from an oscillating current can radiate off a conductor into space as radio waves. Different sources specify different upper and lower bounds for the frequency range.
Примеры употребления для radio frequency
1. Mounted on the buoy are radio–frequency and Global Positioning System antennas for sending data to a NOAA Geostationary Operational Environmental Satellite (GOES) satellite, and a radio–frequency modem.
2. This is a Radio Frequency Identification microchip, which can be read using radio waves.
3. Brain function in adults is not affected by exposure to radio frequency.
4. But overall the radio frequency radiation from modern digital handsets is lower than analogue phones.
5. The most contentious prediction is the spread in the use of Radio Frequency Identification (RFID) technology.