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Pulse Wave Modulation

См. также в других словарях:

  • Pulse-width modulation — (PWM) of a signal or power source involves the modulation of its duty cycle, to either convey information over a communications channel or control the amount of power sent to a load. PrinciplePulse width modulation uses a square wave whose pulse… …   Wikipedia

  • Pulse-density modulation — Pulse density modulation, or PDM, is a form of modulation used to represent an analog signal in the digital domain. In a PDM signal, specific amplitude values are not encoded into pulses as they would be in PCM. Instead it is the relative density …   Wikipedia

  • Pulse Frequency Modulation — (PFM) is a modulation method for representing an analog signal using only digital levels (1 and 0). It is analogous to pulse width modulation (PWM), to which the reader may refer for more detailed information, as the magnitude of an analog signal …   Wikipedia

  • Pulse-code modulation — PCM redirects here. For other uses, see PCM (disambiguation). Pulse code modulation (PCM) is a method used to digitally represent sampled analog signals. It is the standard form for digital audio in computers and various Blu ray, Compact Disc and …   Wikipedia

  • Pulse-amplitude modulation — Principle of PAM: (1) original signal, (2) PAM signal, (a) amplitude of signal, (b) time Pulse amplitude modulation, acronym PAM, is a form of signal modulation where the message information is encoded in the amplitude of a series of signal… …   Wikipedia

  • pulse-code modulation — /puls kohd /, Telecommunications. a form of modulation that transforms a wave form, as an audio signal, into a binary signal in which information is conveyed by a coded order of pulses for transmission, storage on a disk, or processing by a… …   Useful english dictionary

  • Pulse wave — A pulse wave or pulse train is a kind of non sinusoidal waveform that is similar to a square wave, but does not have the symmetrical shape associated with a perfect square wave. It is a term common to synthesizer programming, and is a typical… …   Wikipedia

  • pulse code modulation — noun : modulation of a radio wave or signal in which the intelligence is conveyed by a code or order of pulses of the wave that are usually all of the same size and shape and that are transmitted at multiples of a standard time interval …   Useful english dictionary

  • pulse frequency modulation — noun : modulation of a radio wave or signal in which the intelligence is conveyed by varying the frequency or repetition rate of the pulses of the wave …   Useful english dictionary

  • pulse length modulation — noun : modulation of a radio wave or signal in which the intelligence is conveyed by varying the length or duration of the pulses of the wave …   Useful english dictionary

  • pulse position modulation — noun : modulation of a radio wave or signal in which the intelligence is conveyed by varying the time relationship of the pulses of the wave …   Useful english dictionary

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