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Code merit in digital magnetic recording channels

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2 Author(s)
B. K. Middleton ; Dept. of Electr. Eng., Manchester Univ., UK ; S. W. C. Chan

Taking high bit density as a requirement it has been shown that density ratio, timing window Tw/Tb, and a modified figure of merit DR. Tw/TT are justifiable measures of the performance of practical recording systems. These results apply specifically to a channel 'equalised flat' but different equalisation schemes may lead to modified code requirements.

Published in:

Electronics Letters  (Volume:28 ,  Issue: 3 )