why scanning is necessary in t.v. transmission and why it
is carried out at fast rate?
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Answer Posted / sayem
Scanning is the important process carried out in a television system inorder to obtain
continuous frames and provides motion of picture. The scene is scanned both in the
horizontal and vertical directions simultaneously in a rabid rate. As a result sufficient number
of complete picture of frames per second is obtained to give the illusion of continuous
motion.
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