pulse-duration modulation

pulse-duration modulation

[′pəls du̇¦rā·shən ‚mäj·ə‚lā·shən]
(communications)
Modulation of a pulse carrier wherein the value of each instantaneous sample of a modulating wave produces a pulse of proportional duration by varying the leading, trailing, or both edges of a pulse. Abbreviated PDM. Also known as pulse-length modulation; pulse-width modulation.
References in periodicals archive ?
The magnetic pulsation created is characterized by two phases and has a pulse-duration modulation of 270us (+- 5%).12
Patients were laid on a bed in a comfortable and well-supported position, and then the transducer part of electromagnetic field was located five cm apart from the skin of lower back and electromagnetic pulse-duration modulation changing everyfive sec, frequencies of five to ten Hz.