correction from signals

См. также в других словарях:

• Gamma correction — Gamma correction, gamma nonlinearity, gamma encoding, or often simply gamma, is the name of a nonlinear operation used to code and decode luminance or tristimulus values in video or still image systems. [cite book | title = Digital Video and HDTV …   Wikipedia

• GPS signals — Global Positioning System (GPS) satellites broadcast radio signals to enable GPS receivers to determine location and synchronized time. Anatomy of a GPS signal GPS signals include ranging signals, used to measure the distance to the satellite,… …   Wikipedia

• Timebase correction — Time base correction is a technique to reduce or eliminate errors caused by mechanical instability present in analog recordings on mechanical media. Without time base correction, a signal from a videotape recorder or videocassette recorder cannot …   Wikipedia

• United States housing market correction — A United States housing market correction is a market correction or bubble bursting of a United States housing bubble; the most recent one started in 2005.A real estate bubble is a type of economic bubble that occurs periodically in local or… …   Wikipedia

• Forward error correction — In telecommunication, information theory, and coding theory, forward error correction (FEC) or channel coding[1] is a technique used for controlling errors in data transmission over unreliable or noisy communication channels. The central idea is… …   Wikipedia

• Flat-field correction — is a technique used to improve quality in digital imaging. The goal is to remove artifacts from 2 D images that are caused by variations in the pixel to pixel sensitivity of the detector and/or by distortions in the optical path. It is a standard …   Wikipedia

• English language idioms derived from baseball — B = * ballpark: in the ballpark, ballpark figure, and out of the ballpark mdash; Ballpark has been used to mean a broad area of approximation or similarity, or a range within which comparison is possible; this usage OED dates to 1960. Another… …   Wikipedia

• Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …   Universalium

• control system — Means by which a set of variable quantities is held constant or caused to vary in a prescribed way. Control systems are intimately related to the concept of automation but have an ancient history. Roman engineers maintained water levels in… …   Universalium

• Delta-sigma modulation — Delta sigma (ΔΣ; or sigma delta, ΣΔ) modulation is a method for encoding high resolution or analog signals into lower resolution digital signals. The conversion is done using error feedback, where the difference between the two signals is… …   Wikipedia

• AIM-7 Sparrow — Infobox Weapon is missile=yes name=AIM 7 Sparrow caption= origin= United States type=Medium Range, Semi Active Radar Homing Air to Air Missile used by= United States, South Korea, Japan, Italy, United Kingdom, Saudi Arabia manufacturer=Raytheon… …   Wikipedia