signal-to-noise ratio

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sig·nal-to-noise ratio

(sĭg′nəl-tə-noiz′)
n.
1. The ratio of the power of an electrical, electromagnetic, or optical signal to the power of background noise accompanying the signal.
2. The ease with which useful information can be discerned in the context of much noise, talk, or undesired information.

signal-to-noise ratio

n
(Electronics) the ratio of one parameter, such as power of a wanted signal to the same parameter of the noise at a specified point in an electronic circuit, etc

signal-to-noise ratio

The ratio of the amplitude of the desired signal to the amplitude of noise signals at a given point in time.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.signal-to-noise ratio - the ratio of signal intensity to noise intensitysignal-to-noise ratio - the ratio of signal intensity to noise intensity
ratio - the relative magnitudes of two quantities (usually expressed as a quotient)
References in periodicals archive ?
BlueCore5-Multimedia offers superior sound quality for headset applications with a best-in-class signal to noise ratio of -95dB.
Specifically, our system, which uses advanced signal processing, will enable accurate quantitative assessments of situations where the signal to noise ratio is substantially less than 1:1.
Designers of medical systems, such as magnetic resonance imaging and patient monitoring receivers, which involve complex, multi-channel designs will benefit from the new converters which offer the highest signal to noise ratio (SNR) at 79dB, and deliver 16-bit precision at high IFs (intermediate frequency) and supporting sampling rates up to 130 MSPS (mega samples per second).

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