pulse-amplitude modulation

[puhls-am-pli-tood, -tyood]

noun Telecommunications.

modulation of the amplitude of a train of electric pulses used to carry signals (pulse carrier). Abbreviation: PAM

Origin of pulse-amplitude modulation

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019