AskDefine | Define pulsing

Dictionary Definition

pulsing adj : expanding and contracting rhythmically as to the beating of the heart; "felt the pulsating artery"; "oh my beating heart" [syn: beating, pulsating] n : (electronics) a sharp transient wave in the normal electrical state (or a series of such transients); "the pulsations seemed to be coming from a star" [syn: pulsation, pulse, impulse]

User Contributed Dictionary



  1. present participle of pulse


  1. That pulses


  1. The emission of pulses

Extensive Definition

In signal processing, the term pulse has the following meanings:
  1. A rapid, transient change in the amplitude of a signal from a baseline value to a higher or lower value, followed by a rapid return to the baseline value.
  2. A rapid change in some characteristic of a signal, e.g., phase or frequency, from a baseline value to a higher or lower value, followed by a rapid return to the baseline value.
  3. In telephony, pulse dialing is a way of dialing a telephone number using interrupted electrical pulses (see rotary dial).
  4. In television, horizontal synchronization pulse and vertical synchronization pulse are signals to tell the television set when it should start a new line or a new image.
  5. In many industries we observe advertising “pulsing”, whereby firms systematically switch advertising on and off at a high-frequency. Hence, we observe periods of zero and non-zero advertising, as opposed to a steady level of positive advertising


Original source: from Federal Standard 1037C and from MIL-STD-188
pulsing in Lithuanian: Impulsas (signalas)
pulsing in Japanese: パルス波
pulsing in Portuguese: Pulso (processamento de sinal)
pulsing in Ukrainian: Імпульс (форма сигналу)

Synonyms, Antonyms and Related Words

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