amplitude modulation


amplitude modulation
See AM.
[1920-25]

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      variation of the amplitude of a carrier wave (commonly a radio wave) in accordance with the characteristics of a signal, such as a vocal or musical sound composed of audio-frequency waves. See modulation.

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Universalium. 2010.

Look at other dictionaries:

  • amplitude modulation — ► NOUN ▪ the modulation of a wave by varying its amplitude, used as a means of broadcasting an audio signal by radio …   English terms dictionary

  • amplitude modulation — n. 1. the variation of the amplitude of a carrier wave in accordance with the signal being broadcast 2. a broadcasting system that uses this: Abbrev. AM: Cf. FREQUENCY MODULATION …   English World dictionary

  • Amplitude modulation — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

  • amplitude modulation — amplitudės moduliavimas statusas T sritis Standartizacija ir metrologija apibrėžtis Veiksmas, kuriuo pagal tam tikrą dėsnį keičiama nešlio amplitudė. atitikmenys: angl. amplitude modulation vok. Amplitudenmodulation, f rus. амплитудная модуляция …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • amplitude modulation — amplitudės moduliavimas statusas T sritis automatika atitikmenys: angl. amplitude modulation vok. Amplitudenmodulation, f rus. амплитудная модуляция, f pranc. modulation d amplitude, f …   Automatikos terminų žodynas

  • amplitude modulation — amplitudės moduliavimas statusas T sritis fizika atitikmenys: angl. amplitude modulation vok. Amplitudenmodulation, f rus. амплитудная модуляция, f pranc. modulation d’amplitude, f …   Fizikos terminų žodynas

  • amplitude modulation — amplitudės moduliavimas statusas T sritis informatika apibrėžtis ↑Moduliavimo metodas, kuriame ↑nešlio amplitudė keičiama priklausomai nuo perduodamo signalo amplitudės. Santrumpa – AM. santrumpa( os) AM atitikmenys: angl. amplitude modulation… …   Enciklopedinis kompiuterijos žodynas

  • amplitude modulation — noun Date: 1921 modulation of the amplitude of a radio carrier wave in accordance with the strength of the audio or other signal; also a broadcasting system using such modulation compare frequency modulation …   New Collegiate Dictionary

  • amplitude modulation — noun modulation of the amplitude of the (radio) carrier wave • Syn: ↑AM • Hypernyms: ↑modulation …   Useful english dictionary

  • amplitude modulation — noun the modulation of a wave by varying its amplitude, used especially as a means of broadcasting an audio signal by combining it with a radio carrier wave …   English new terms dictionary