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ie433 cadcam computer aided design and computer aided ...

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ie433 cadcam computer aided design and computer aided ...

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    1. IE433 CAD/CAM Computer Aided Design and Computer Aided Manufacturing Part-2 CAD Systems Industrial Engineering Department King Saud University

    25. The image refresh system may use an interlaced scan of two fields: In the interlaced scan (as in the home television), the refresh cycle of 1/30 second is divided into two subcycles each lasting 1/60 second. The first subcycle displays the odd-numbered scan lines and the second displays the even-numbered scan lines. This technique produces an image with almost a refresh rate of 60 Hz instead of 30 Hz. Another scheme is to use a noninterlaced scan of one field by operating at a higher refresh rate such as 60 Hz. In this scheme, the entire scan lines are refreshed once every 1/60 second.

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