| 释义 |
radio spectrum
radio spectrumn. The entire range of electromagnetic communications frequencies, including those used for radio, radar, and television; the radio-frequency spectrum.radio spectrum n (Telecommunications) the range of electromagnetic frequencies used in radio transmission, lying between 10 kilohertz and 300 000 megahertz ra′dio spec`trum
n. the portion of the electromagnetic spectrum that includes radio waves. [1925–30] Thesaurus| Noun | 1. | radio spectrum - the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and televisionradio-frequency spectrumspectrum - an ordered array of the components of an emission or waveelectromagnetic spectrum - the entire frequency range of electromagnetic wavesradio emission, radio radiation, radio wave - an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m |
radio spectrum
radio spectrum[′rād·ē·ō ′spek·trəm] (communications) The entire range of frequencies in which useful radio waves can be produced, extending from the audio range to about 300,000 megahertz. Also known as radio-frequency spectrum. radio spectrumThe part of the electromagnetic spectrum used to transmit voice, video and data. It uses frequencies from 3 kHz to 300 GHz. See spectrum.MedicalSeeradio frequencyradio spectrum
Related to radio spectrum: radio frequency, electromagnetic spectrum, Radio wavesSynonyms for radio spectrumnoun the entire spectrum of electromagnetic frequencies used for communicationsSynonymsRelated Words- spectrum
- electromagnetic spectrum
- radio emission
- radio radiation
- radio wave
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