multiple-frequency-shift keying

multiple-frequency-shift keying

[′məl·tə·pəl ¦frē·kwən·sē ¦shift ‚kē·iŋ]
(communications)
A modulation scheme in which a number of carrier frequencies (2, 4, 8, and so forth) are transmitted according to a group of consecutive data bits (n bits producing 2 n frequencies). Abbreviated MFSK.
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