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Wiktionary
signal-to-noise

n. 1 (context electrical engineering English) The ratio comparing signal power to noise power. 2 (context by extension English) The quantity of quality information compared to irrelevant or incorrect information.

WordNet
signal-to-noise

n. the ratio of signal intensity to noise intensity [syn: signal-to-noise ratio, signal/noise ratio, signal/noise, S/N]

Usage examples of "signal-to-noise".

It was a terrible picture, though, the signal-to-noise ratio was so bad.

By avoiding naming and analysis, and by becoming aware of our lifetime conditioning, we can learn to view with naked awareness and greatly increase the signal-to-noise ratio of our process.

Its efficiency is less than two percent, which makes it useless for general scanning because of the poor signal-to-noise ratio, but since we already know roughly where the beam is, we should be able to filter out extraneous signals and eventually locate it with the necessary precision.

Then signal-to-noise ratio went all to hell as India Spring's rear came alight with a blue glow.

Every time you play the record, the signal-to-noise ratio gets worse.

I had argued, unsuccessfully, that there might be emergency situations, or unfore-seen circumstances, in which the signal-to-noise ratio on the regular voice link would be below threshold.

I had argued, unsuccessfully, that there might be emergency situations, or unforeseen circumstances, in which the signal-to-noise ratio on the regular voice link would be below threshold.

Not only were there problems like radio static and poor signal-to-noise ratios on our lasers, but the time lag caused by the speed of light often got to be over two and a half hours!