signal-to-noise ratio
  • Its abbreviations are S/N, S/N ratio, SNR, signal-to-noise, or signal/noise ratio. For a given signal, the ratio of the magnitude of a parameter of the useful or desired signal, to that of the same parameter for any noise present. An S/N ratio may be expressed in many ways, such as the ratio of the signal power of the desired signal, to the noise power, expressed in decibels. The ratio of peak voltages is usually utilized for pulse noise, and RMS values for broadband or random noise. An S/N ratio may be stated for a given point in a circuit or transmission medium, for a given bandwidth, and so on. A higher S/N ratio provides for a better-quality signal, in addition to affording greater noise immunity. digital recordings and transmissions tend to have higher S/N ratios than equivalent analog recordings or transmissions.
  • acronym S/N
  • abbreviation S/N ratio
  • acronym SNR

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