Definition d'ecran — Définition d écran Aperçu des résolutions courantes La définition d écran est le nombre de points ou pixels que peut afficher une carte graphique sur un moniteur. La définition est le produit du nombre de points selon l horizontale par le nombre… … Wikipédia en Français
Définition D'écran — Aperçu des résolutions courantes La définition d écran est le nombre de points ou pixels que peut afficher une carte graphique sur un moniteur. La définition est le produit du nombre de points selon l horizontale par le nombre de points selon la… … Wikipédia en Français
Scan, helical CAT — A conventional computerized axial tomography scan (CAT scan or CT scan) is an x ray procedure which combines many x ray images with the aid of a computer to generate cross sectional views and, if needed, three dimensional images of the internal… … Medical dictionary
Scan, spiral CAT — A conventional computerized axial tomography scan (CAT scan or CT scan) is an x ray procedure which combines many x ray images with the aid of a computer to generate cross sectional views and, if needed, three dimensional images of the internal… … Medical dictionary
Slow-scan television — (SSTV) is a picture transmission method used mainly by amateur radio operators, to transmit and receive static pictures via radio in monochrome or color.A technical term for SSTV is narrowband television. Broadcast television requires huge 5, 6… … Wikipedia
High-definition television — Logo High definition television (HDTV) is video that has resolution substantially higher than that of traditional television systems (standard definition television). HDTV has one or two million pixels per frame, roughly five times that of SD… … Wikipedia
High-definition video — High definition (HD) video generally refers to any video system of higher resolution than standard definition (SD) video, most commonly at display resolutions of 1280×720 (720p) or 1920×1080 (1080i or 1080p). This article discusses the general… … Wikipedia
Pan and scan — is one method of adjusting widescreen film images so that they can be shown within the proportions of a standard definition 4:3 aspect ratio television screen, often cropping off the sides of the original widescreen image to focus on the… … Wikipedia
Nuchal scan — A nuchal scan is a sonographic prenatal screening scan (ultrasound) to help identify higher risks of chromosomal defects including Down s syndrome in a fetus, particularly for older women who have higher risks of such pregnancies. High thickness… … Wikipedia
Optical scan voting system — Election technology Certification of voting machines Independent Testing Authority (ITA) NVLAP VVSG End to end auditable voting systems Help America Vote Act Independent verific … Wikipedia
Enhanced-definition television — Enhanced definition television, extended definition television, or EDTV is a CEA marketing shorthand term for certain digital television (DTV) formats and devices, used by the Consumer Electronics Association (CEA) of the United States.… … Wikipedia