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radio heating

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  • 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 — 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 galaxy — Radio galaxies and their relatives, radio loud quasars and blazars, are types of active galaxy that are very luminous at radio wavelengths (up to 1038 W between 10 MHz and 100 GHz). The radio emission is due to the synchrotron process. The… …   Wikipedia

  • Radio Electronic Token Block — is a system of railway signalling used in the United Kingdom. It is a development of the physical token system for controlling traffic on single lines. How it works On arrival at a token exchange point , the driver reports his/her position to the …   Wikipedia

  • radio-frequency heating — ▪ physics Introduction       process of heating (heat) materials through the application of radio waves of high frequency i.e., above 70,000 hertz (cycles per second). Two methods of radio frequency heating have been developed. One of these,… …   Universalium

  • 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

  • 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 heating — aukštadažnis kaitinimas statusas T sritis automatika atitikmenys: angl. high frequency heating; radio frequency heating vok. HF Heizung, f; Hochfrequenzerwärmung, f; Hochfrequenzheizung, f rus. высокочастотный нагрев, m pranc. chauffage par haute …   Automatikos terminų žodynas

  • radio and radar astronomy — Study of celestial bodies by measuring the energy they emit or reflect at radio wavelengths. It began in 1931 with Karl Jansky s discovery of radio waves from an extraterrestrial source. After 1945, huge dish antennas, improved receivers and data …   Universalium

  • Radio teleswitch — The Radio Teleswitch Service (RTS) has its origins in the energy management projects initiated in the United Kingdom by the Electricity Council in the early 1980s. Three projects investigated the feasibility of using the telephone network, the… …   Wikipedia

  • Batteryless radio — Radio receivers were originally operated by battery. The term batteryless radio was initially used for the radio receivers which could be used directly by AC mains supply (mains radio).It was invented on April 8, 1925 in Canada by Edward S.… …   Wikipedia

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