RF radio frequency
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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 — (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 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 Identification — Radio identification Une puce de radio identification EPC utilisée par Wal Mart La radio identification plus souvent désignée pa … Wikipédia en Français
Radio frequency identification — Radio identification Une puce de radio identification EPC utilisée par Wal Mart La radio identification plus souvent désignée pa … Wikipédia en Français
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 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 — n any of the electromagnetic wave frequencies that lie in a range extending from below 3 kilohertz to about 300 gigahertz and that include the frequencies used in radio and television transmission * * * (RF) the range of frequencies of… … Medical dictionary
radio frequency — n. any frequency between normally audible sound waves and the infrared light portion of the spectrum, lying between c. 10 kilohertz and c. 1,000,000 megahertz * * * … Universalium
radio frequency — n. any frequency between normally audible sound waves and the infrared light portion of the spectrum, lying between c. 10 kilohertz and c. 1,000,000 megahertz … English World dictionary
