quantized frequency modulation


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quantized frequency modulation

[′kwän‚tīzd ′frē·kwən·sē ‚mäj·ə‚lā·shən]
(communications)
Frequency modulation that involves quantization; it uses time and frequency redundancy within a voice frequency channel during each transmitted symbol; used to combat distortion due to multipath, selection fading, and noise spikes.