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modulation

Definitions of modulation
  1. noun
    (electronics) the transmission of a signal by using it to vary a carrier wave; changing the carrier's amplitude or frequency or phase
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    types:
    am, ma, modulation d'amplitude
    modulation of the amplitude of the (radio) carrier wave
    fm, mf, modulation de fréquence
    modulation of the frequency of the (radio) carrier wave
    modulation de phase
    modulation of the phase of the carrier wave
    modulation par impulsion
    modulation that imposes a signal on a train of pulses
    modulation d'impulsions dans le temps
    modulation of the time between successive pulses
    type of:
    communication, transmission
    communication by means of transmitted signals
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