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P

PULSE-DURATION MODULATION

PULSE-DURATION MODULATION (PDM)—Pulse modulation in which the time duration of the pulses is changed by the modulating signal [12].


PULSE-FORMING NETWORK

PULSE-FORMING NETWORK (PFN)—An lc network that alternately stores and releases energy in an approximately rectangular wave [12] [18].


PULSE-FREQUENCY MODULATION

PULSE-FREQUENCY MODULATION (PFM)—Pulse modulation in which the modulating voltage varies the repetition rate of a pulse train [12].


PULSE-POSITION MODULATION

PULSE-POSITION MODULATION (PPM)—Pulse modulation in which the position of the pulses is varied by the modulating voltage [12].


PULSE-REPETITION FREQUENCY

PULSE-REPETITION FREQUENCY (PRF)—The rate, in pulses per second, at which the pulses occur [9] [12] [18].


PULSE-REPETITION RATE

PULSE-REPETITION RATE (PRR)—Same as PULSE-REPETITION FREQUENCY (PRF) [9] [12] [18].


PULSE-REPETITION TIME

PULSE-REPETITION TIME (PRT)—Interval between the start of one pulse and the start of the next pulse; reciprocal of pulse-repetition frequency [18].


PULSE-TIME MODULATION

PULSE-TIME MODULATION (PTM)—Pulse modulation that varies one of the time characteristics of a pulse train (pwm, pdm, ppm, or pfm) [12].


PULSE-WIDTH MODULATION

PULSE-WIDTH MODULATION (PWM)—Pulse modulation in which the duration of the pulses is varied by the modulating voltage [12].


PULSING

Allowing oscillations to occur for a specific period of time only during selected intervals [12].


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