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1 amplitude modulation
(AM) <el> (method of varying a signal amplitude) ■ Amplitudenmodulation f (AM)
См. также в других словарях:
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 — 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 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
Amplitude and phase-shift keying — or Asymmetric Phase shift keying, (APSK), is a digital modulation scheme that conveys data by changing, or modulating, both the amplitude and the phase of a reference signal (the carrier wave). In other words, it combines both Amplitude shift… … Wikipedia
Modulation — For musical change of key, see Modulation (music). For other uses, see Modulation (disambiguation). Passband modulation v · d · e … Wikipedia
modulation — /moj euh lay sheuhn, mod yeuh /, n. 1. the act of modulating. 2. the state of being modulated. 3. Music. transition from one key to another. 4. Gram. a. the use of a particular distribution of stress or pitch in a construction, as the use of… … Universalium
Frequency modulation — See also: Amplitude modulation In telecommunications, frequency modulation (FM) conveys information over a carrier wave by varying its frequency (contrast this with amplitude modulation, in which the amplitude of the carrier is varied while its… … Wikipedia
FM broadcasting — See also: frequency modulation and FM broadcast band FM broadcasting is a broadcasting technology pioneered by Edwin Howard Armstrong which uses frequency modulation (FM) to provide high fidelity sound over broadcast radio. The term FM band… … Wikipedia
AM broadcasting — is the process of radio broadcasting using amplitude modulation.HistoryAM was the dominant method of broadcasting during the first eighty years of the 20th century and remains widely used into the 21st.AM radio began with the first, experimental… … Wikipedia