differential phase-shift keying (′dif·ə′ren·chÉ™l ′fÄz ′shift ′kē·iÅ‹) (communications) Form of phase-shift keying in which the reference phase for a given keying interval is the phase of the signal during the preceding keying interval. Also known as differentially coherent phase-shift keying.
Above retrieved from Answers.com
Viper1
Chat with our AI personalities