そうへんへんちょう 位相偏移変調
1. phase-shift keying; PSKComputing, See also 位相シフトキーイング
Wikipedia definition
2. Phase-shift keyingPhase-shift keying (PSK) is a digital modulation scheme that conveys data by changing, or modulating, the phase of a reference signal. Any digital modulation scheme uses a finite number of distinct signals to represent digital data. PSK uses a finite number of phases, each assigned a unique pattern of binary digits. Usually, each phase encodes an equal number of bits. Each pattern of bits forms the symbol that is represented by the particular phase.
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