radio spectrum

radio spectrum
noun Date: 1929 the region of the electromagnetic spectrum spanning the radio frequency range

New Collegiate Dictionary. 2001.

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  • radio spectrum — n. the complete range of frequencies of electromagnetic radiation useful in radio communication, commonly ranging between 10 kilohertz and 300,000 megahertz …   English World dictionary

  • radio spectrum — noun the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television (Freq. 1) • Syn: ↑radio frequency spectrum • Hypernyms: ↑spectrum • Part Holonyms: ↑electromagnetic… …   Useful english dictionary

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  • Radio spectrum pollution — is the straying of waves in the radio and electromagnetic spectrums outside their allocations that cause problems for some activities. It is a specialised form of light pollution, and of particular concern to radio astronomers. See also *… …   Wikipedia

  • Radio Spectrum Policy Group — (RSPG), das Beratergremium in frequenzpolitischen Fragen der Europäischen Kommission. Es unterstützt und berät die Kommission in frequenzpolitischen Fragen, bei der Koordinierung der politischen Ansätze sowie bei Maßnahmen, die für die Errichtung …   Deutsch Wikipedia

  • radio spectrum — the portion of the electromagnetic spectrum that includes radio waves. [1925 30] * * * …   Universalium

  • radio spectrum — ra′dio spec trum n. phs the portion of the electromagnetic spectrum that includes radio waves • Etymology: 1925–30 …   From formal English to slang

  • 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 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 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

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