pulse - duration modulation - frequency modulation

pulse - duration modulation - frequency modulation

[′pəls du̇¦rā·shən ‚mäj·ə‚lā·shən ′frē·kwən·sē ‚mäj·ə‚lā·shən]
(communications)
System in which pulse-duration-modulated subcarriers are used to frequency-modulate a second carrier. Also known as pulse-width modulation-frequency modulation.