略語大辞典 [C] 27 FSK frequency shift keying 周波数偏移変調. 周波数シフト キーイング. 電波のディジタル変調方式. frequency shift keying; a digital modulation method of signal; a digital FM(frequency modulation); e.g. in data communications; e.g. in radio frequency communications; ref. PSK(phase shift keying), DPSK(differentia 丸善「略語大辞典」JLogosID : 11875367