interlaced scanning


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interlaced scanning

n
(Broadcasting) a system of scanning a television picture, first along the even-numbered lines, then along the odd-numbered lines, in one complete scan
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5) 1080i:A digital broadcasting video signal format that uses 1,080 effective scan lines (1,125 actual lines) and interlaced scanning at 29.
starts by explaining the purposes of television graphics and frames the medium technically by describing progressive and interlaced scanning, shape and aspect ratios, and perceptions of color, form, depth and motion.
The 1/4-inch color CCD has a 2:1 interlaced scanning system with an effective pixel number of 752 x 582.