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 ?
This PLC technology uses a binary phase shift keying (BPSK) modulation technique together with a new technique for signal reception.
It has built-in digital analysis that allows transmitter designers and manufacturers to measure several modulation formats with one instrument, from simple binary phase shift keying (BPSK) to such complex formats as quadrature amplitude modulation (QAM) and vestigial sideband modulation (VSB).