Signal to Noise Ratio

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Signal to Noise Ratio

</dt>
(abbr SNR or S/N). A ratio which measures the comprehensibility of a data source or transmission link, usually expressed as the root-mean-square signal amplitude divided by the root-mean-square noise amplitude. </dd>
The higher the S/N ratio, the less the interference with reception. </dd>

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use