pulse-time modulation; PWM(Широ́тно-и́мпульсная модуля́ция (ШИМ) – Pulse width modulation (PWM), or pulse-duration modulation (PDM), is a method of reducing the average power delivered by an electrical signal, by effectively chopping it up into discrete parts. wikipedia.orgElenaStPb); PWM(широтно-импульсная модуляция whitelocopuma)