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background ratio

См. также в других словарях:

  • indication-background ratio — signalo ir fono santykis statusas T sritis fizika atitikmenys: angl. indication background ratio vok. Anzeige Nulleffekt Verhältnis, n rus. соотношение эффект фон, n pranc. rapport indication fond, m …   Fizikos terminų žodynas

  • Ratio Studiorum — The Ratio Studiorum (Latin: Plan of Studies ) often designates the document that formally established the globally influential system of Jesuit education in 1599. Its full title is Ratio atque Institutio Studiorum Societatis Iesu ( The Official… …   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

  • 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

  • Cosmic microwave background radiation — CMB and Cosmic background radiation redirect here. For other uses see CMB (disambiguation) and Cosmic background (disambiguation). Physical cosmology …   Wikipedia

  • Debt-to-equity ratio — The debt to equity ratio (D/E) is a financial ratio indicating the relative proportion of shareholders equity and debt used to finance a company s assets.[1] Closely related to leveraging, the ratio is also known as Risk, Gearing or Leverage. The …   Wikipedia

  • Cosmic infrared background — (CIB) is a mysterious infrared light coming from outer space. It is slowly being resolved into specific sources by infrared telescopes. In some ways it is analogous to the cosmic microwave background, but at shorter wavelengths. Contents 1… …   Wikipedia

  • Cosmic neutrino background — Physical cosmology Universe · Big Bang …   Wikipedia

  • Pixel aspect ratio — (PAR), in computer graphics terminology, is a mathematical ratio that describes how the horizontal length of a pixel in an imaging system compares to its vertical height.Most modern imaging systems describe an image as a grid of very small but… …   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

  • A Certain Ratio — Infobox musical artist Name = A Certain Ratio Img capt = Img size = Background = group or band Origin = Manchester, England Genre = Post punk Alternative dance House music Years active = 1977 present Label = Factory/A M UK Associated acts = Also… …   Wikipedia

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