pulse-position modulation


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pulse-position modulation

[′pəls pə¦zish·ən ‚mäj·ə‚lā·shən]
(communications)
Modulation of a pulse carrier wherein the value of each instantaneous sample of a modulating wave varies the position in time of a pulse relative to its unmodulated time of occurrence. Abbreviated PPM. Also known as pulse-phase modulation.