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phase modulation
(redirected from p-m)

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phase modulation
n. Abbr. pm or p-m
A type of electronic modulation in which the phase of a carrier wave is varied in order to transmit the information contained in the signal.
phase modulation
n
(Electronics) a type of modulation, used in communication systems, in which the phase of a radio carrier wave is varied by an amount proportional to the instantaneous amplitude of the modulating signal
phase modulation
A method of transmitting signals in which the value of the signal is proportional to the phase angle of a carrier wave. It is often combined with amplitude modulation to transmit digital information via modems.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.phase modulation - modulation of the phase of the carrier wave
PM
modulation - (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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