luminance carrier
31C-MAC — is the variant approved by the European Broadcasting Union (EBU) for satellite transmissions. The digital information is modulated using 2 4PSK (phase shift keying), a variation of quadrature PSK where only two of the phaser angles (±90°) are… …
32photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
33Signal-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… …
34Laserdisc — Not to be confused with disk laser, a flat configuration solid state laser. Not to be confused with VCD, DVD, or Blu ray, optical disc formats employing digital video encoding. Not to be confused with CED, a coincident but incompatible analogue… …
35Head-up display — A head up display, or HUD, is any transparent display that presents data without requiring the user to look away from his or her usual viewpont. The origin of the name stems from the user being able to view information with their head up and… …
36D2-MAC — The simultaneous PAL transmission of all TV picture elements and the multiplexed transmission of the TV picture elements with D2 MAC …
37TV-SAT — Ein TV SAT oder TDF Satellit auf einer Briefmarke der Deutschen Bundespost von 1986. Die Ausleuchtungszonen sind angedeutet. TV SAT 1 und TV SAT 2 (Orbitalposition 19° West) waren zwei Satelliten, die für den Direkt Fernsehempfang in Deutschland… …
38TVSat — TV SAT 1 und TV SAT 2 (Orbitalposition 19° West) waren zwei Satelliten, die für den Direkt Fernsehempfang in Deutschland entwickelt wurden. Die Satelliten basierten ebenso wie die TDF Satelliten und der schwedische Tele X auf dem Satellitenbus… …
39Image noise — Noise clearly visible in an image from a digital camera Image noise is random (not present in the object imaged) variation of brightness or color information in images, and is usually an aspect of electronic noise. It can be produced by the… …
40Comparison of Android devices — Galaxy Nexus, the latest Google phone Android is a software stack for mobile devices that includes an operating system, middleware and key applications.[1] …
