pulse train

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pulse train A repetitive series of pulses, separated in time by a fixed and often constant interval. The duration of each pulse and its amplitude are also often made constant. This type of waveform may be defined by its mark-space ratio, i.e. the ratio of pulse duration, t1, to pulse separation, t2, and by its pulse repetition frequency, which is given by 1/(t1 + t2)

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