radio frequency

радиочастота, высокая частота

English-Russian Dictionary of Military Terms and Abbreviations. . 2001.

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  • Radio frequency — (RF) is a frequency or rate of oscillation within the range of about 3 Hz to 300 GHz. This range corresponds to frequency of alternating current electrical signals used to produce and detect radio waves. Since most of this range is beyond the… …   Wikipedia

  • Radio Frequency 88.1 — is a pirate radio station based in Leeds, West Yorkshire.It specializes in Drum Bass, Dubstep and Old school, and resident DJs include DJ Steppa, DJ Snipaz and other well known Drum Bass DJs from Leeds and the surrounding area.External links*… …   Wikipedia

  • radio frequency — noun Date: 1915 any of the electromagnetic wave frequencies that lie in the range extending from below 3 kilohertz to about 300 gigahertz and that include the frequencies used for communications signals (as for radio and television broadcasting… …   New Collegiate Dictionary

  • 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-frequency sweep — or Frequency sweep or RF sweep refer to scanning a radio frequency band for detecting signals being transmitted there. This is implemented using a radio receiver having a tunable receiving frequency. As the frequency of the receiver is changed to …   Wikipedia

  • Radio frequency heating — is the heating of materials by radio frequency (otherwise called electromagnetic) energy. This can be divided into 3 general categories as below. The term radio frequency is misleading electromagnetic energy of any frequency is absorbed (and… …   Wikipedia

  • Radio frequency engineering — is the analysis and design of circuits at frequencies where transmission lines are comparable to the wavelength. It includes the study of amplifiers, oscillators, mixers, demodulators (including PLLs) and antennas. This is relevant to… …   Wikipedia

  • Radio frequency power transmission — is the transmission of the output power of a transmitter to an antenna. When the antenna is not situated close to the transmitter, special transmission lines are required.The most common type of transmission line for this purpose is large… …   Wikipedia

  • Radio Frequency Identification — Die Neutralität dieses Artikels oder Abschnitts ist umstritten. Eine Begründung steht auf der Diskussionsseite. siehe: Abwahl Lesenswert Februar 2007 …   Deutsch Wikipedia

  • Radio-frequency induction — For the common use of RF induction process of heating a metal object by electromagnetic induction, see induction heating Radio frequency induction or RF induction is the use of a radio frequency magnetic field to transfer energy by means of… …   Wikipedia

  • Radio frequency upconverter — A radio frequency upconverter is a device that takes an input of radio frequency energy of a specific frequency range and outputs it on a higher frequency. Likewise, downconverters take an input frequency and reduce it to a lower output frequency …   Wikipedia

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