Encyclopedia > Pulse-amplitude modulation

Article Content

Pulse-amplitude modulation

Pulse-amplitude modulation is a form of signal modulation where the message information is encoded in the amplitude of a series of signal pulses. Pulse-amplitude modulation is now rarely used, having been largely superseded by pulse-code modulation, and, more recently, by pulse-position modulation.

Featured Article

Holtsville, New York

... of the census of 2000, there are 17,006 people, 5,316 households, and 4,454 families residing in the town. The population density is 943.4/km² (2,444.3/mi²). ...