pulse-frequency modulation

частотно-импульсная модуляция, ЧИМ

Англо-русский словарь технических терминов. 2005.

Смотреть что такое "pulse-frequency modulation" в других словарях:

  • 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-frequency modulation — impulsų dažnio moduliavimas statusas T sritis automatika atitikmenys: angl. pulse frequency modulation vok. Impulsfrequenzmodulation, f; Pulsfrequenzmodulation, f rus. частотно импульсная модуляция, f pranc. modulation d impulsions en fréquence,… …   Automatikos terminų žodynas

  • pulse-frequency modulation — impulsų dažnio moduliavimas statusas T sritis fizika atitikmenys: angl. pulse frequency modulation vok. Impulsfrequenzmodulation, f rus. частотно импульсная модуляция, f pranc. modulation d’impulsions en fréquence, f …   Fizikos terminų žodynas

  • pulse-frequency modulation — A signal is translated into a succession of constant amplitude pulses transmitted at a frequency proportional to the amplitude of the original signal. See pulse modulation …   Aviation 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-position modulation — is a form of signal modulation in which M message bits are encoded by transmitting asingle pulse in one of 2^M possible time shifts. This is repeated every T seconds, such thatthe transmitted bit rate is M/T bits per second. It is primarily… …   Wikipedia

  • 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-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 Code Modulation — Die Puls Code Modulation ist ein Verfahren, um ein analoges Signal in ein digitales Signal bzw. Binärcode umzusetzen. Es wird für Audio und Video Signale verwendet. Die Umsetzung erfolgt in folgenden Schritten: Abtastung des analogen Signals… …   Deutsch 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

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