dBrnC

dBrnC
сокр. от decibels reference noise C
мощность шума, измеренная относительно его опорного уровня посредством взвешивания при помощи С-сообщения в точке нулевой мощности полезного сигнала

English-Russian dictionary of telecommunications and their abbreviations. . 2004.

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  • dBrnC — represents an audio level measurement, typically in a telephone circuit, relative to the circuit noise level, with the measurement of this level frequency weighted by a standard C message weighting filter. The C message weighting filter was… …   Wikipedia

  • DBrnC — represents an audio level measurement, typically in a telephone circuit, relative to the level of circuit noise, with the measurement of this level frequency weighted by a standard C message weighting filter. The C message weighting filter was… …   Wikipedia

  • DBRNC — dB relative to noise (C Notch or C Message) (Computing » Telecom) …   Abbreviations dictionary

  • dBRNC —    TMDecibels above reference noise, C message weighted …   IT glossary of terms, acronyms and abbreviations

  • Noise (electronics) — Electronic noise [1] is a random fluctuation in an electrical signal, a characteristic of all electronic circuits. Noise generated by electronic devices varies greatly, as it can be produced by several different effects. Thermal noise is… …   Wikipedia

  • Decibel — This article is about the ratio of measures. For sound or acoustic level, see Sound pressure. For other uses, see Decibel (disambiguation). Attenuation chart of an RG 6 Coaxial cable, measured in decibels per 100 feet of cable The decibel (dB) is …   Wikipedia

  • Channel noise level — In telecommunications, the term channel noise level has the following meanings: The ratio of the channel noise at any point in a transmission system to an arbitrary level chosen as a reference.[1][2] The noise power spectral density in the… …   Wikipedia

  • Cosmic noise — and galactic radio noise is random noise that originates outside the Earth s atmosphere. It can be detected and heard on radio receivers. Elaboration Cosmic noise characteristics are similar to those of thermal noise. Cosmic noise is experienced… …   Wikipedia

  • Distortion — This article is about technology, especially electrical engineering. For other uses, see Distortion (disambiguation). Distort redirects here. For other uses, see Distort (disambiguation). A distortion is the alteration of the original shape (or… …   Wikipedia

  • Equivalent pulse code modulation noise — In telecommunication, equivalent pulse code modulation noise (PCM) is the amount of thermal noise power on a frequency division multiplexing (FDM) or wire channel necessary to approximate the same judgment of speech quality created by quantizing… …   Wikipedia

  • Jitter — For other meanings of this word, see Jitter (disambiguation). Jitter is the undesired deviation from true periodicity of an assumed periodic signal in electronics and telecommunications, often in relation to a reference clock source. Jitter may… …   Wikipedia


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