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signal-to-background 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

  • 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 — TV (S/N) Relationship between signal strength and a medium s inherent noise. VideoS/N indicates how grainy or snowy a picture will be, plus its color accuracy; audio S/N specifies amount of background tape hiss present with low or no volume… …   Audio and video glossary

  • Signal transfer function — The signal transfer function (SiTF) is a measure of the signal output versus the signal input of a system such as an infrared system or sensor. [cite book | title = The Optical Transfer Function of Imaging Systems | author = Tom L. Williams |… …   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

  • Wow! signal — The WOW! Signal. The Wow! signal was a strong narrowband radio signal detected by Dr. Jerry R. Ehman on August 15, 1977, while working on a SETI project at the Big Ear radio telescope of The Ohio State University then located at Ohio Wesleyan… …   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

  • Aviation Section, U.S. Signal Corps — The Aviation Section, U.S. Signal Corps, was the name of the military aviation service of the United States Army from 1914 to 1918, and a direct ancestor of the United States Air Force. It replaced the Aeronautical Division, U.S. Signal Corps and …   Wikipedia

  • S\/N Ratio — TV Relationship between signal strength and a medium s inherent noise. Video S/N indicates how grainy or snowy a picture will be, plus color accuracy; audio S/N specifies amount of background tape hiss present with low or no volume recordings …   Audio and video glossary

  • Ruthenium(II) tris(bathophenanthroline disulfonate) — is a chemical compound used as a protein dye in biochemistry for differentiating and detecting different proteins in laboratory settings.In recent years, 2 D electrophoresis has been widely accepted as a standard procedure to separate complex… …   Wikipedia

  • Molecular imaging — originated from the field of radiopharmacology due to the need to better understand the fundamental molecular pathways inside organisms in a noninvasive manner. Contents 1 …   Wikipedia

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