noise ratio

См. также в других словарях:

• Signal-to-noise ratio — For signal to noise ratio in statistics, see Cohen s d. Signal to noise ratio (often abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. It is defined… …   Wikipedia

• Contrast-to-noise ratio — Haze over Kuala Lumpur. Contrast to noise ratio (CNR) is a measure used to determine image quality. CNR is similar to the metric, signal to noise ratio (SNR), but subtracts off a term before taking the ratio. This is important when there is a… …   Wikipedia

• Carrier-to-noise ratio — In telecommunications, the carrier to noise ratio, often written CNR or C/N , is the signal to noise ratio (SNR) of a modulated signal. The CNR is the quotient between the average received modulated carrier power C and the average received noise… …   Wikipedia

• Signal to noise ratio (image processing) — The Signal to Noise Ratio (SNR) is used in image processing as a physical measure of the sensitivity of an imaging system. Industry standards measure SNR in decibels (dB) and therefore apply the 20 log rule to the pure SNR ratio. In turn,… …   Wikipedia

• Peak signal-to-noise ratio — The phrase peak signal to noise ratio, often abbreviated PSNR, is an engineering term for the ratio between the maximum possible power of a signal and the power of corrupting noise that affects the fidelity of its representation. Because many… …   Wikipedia

• signal-to-noise ratio — noun the ratio of signal intensity to noise intensity • Syn: ↑signal to noise, ↑signal/noise ratio, ↑signal/noise, ↑S/N • Hypernyms: ↑ratio …   Useful english dictionary

• signal/noise ratio — noun the ratio of signal intensity to noise intensity • Syn: ↑signal to noise ratio, ↑signal to noise, ↑signal/noise, ↑S/N • Hypernyms: ↑ratio …   Useful english dictionary

• signal-to-noise ratio — UK / US noun Word forms signal to noise ratio : singular signal to noise ratio plural signal to noise ratios 1) [countable] the amount of useful information that you get from something, compared to the amount that is useless 2) a measure of the… …   English dictionary

• Peak Signal to Noise Ratio — PSNR (sigle de Peak Signal to Noise Ratio) est une mesure de distorsion utilisée en image numérique, tout particulièrement en compression d image. Il s agit de quantifier la performance des codeurs en mesurant la qualité de reconstruction de l… …   Wikipédia en Français

• Signal-to-Noise Ratio —   [engl.], Signal Rausch Verhältnis …   Universal-Lexikon

• signal-to-noise ratio — signalo ir triukšmo santykis statusas T sritis automatika atitikmenys: angl. signal to noise ratio vok. Signal/Rausch Verhältnis, n rus. отношение сигнал/шум, n pranc. rapport signal/bruit, m …   Automatikos terminų žodynas