phase-shift keying

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phase-shift keying

[′fāz ¦shift ‚kē·iŋ]
(communications)
A form of phase modulation in which the modulating function shifts the instantaneous phase of the modulated wave between predetermined discrete values. Abbreviated PSK.
References in periodicals archive ?
The new Motorola DSR-4530 showcased at NAB is based on a new, expandable platform that supports an internal hard drive, 8 Phase Shift Keying (8PSK) reception, and dual radio frequency (RF) tuners for seamless service changes.