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单词 repetition codes
释义
repetition codes

Mathematics
  • One of the simplest possible error-correcting procedures in data transmission. The principle is that the sender repeats the message several times, with the hope that the noisy channel interferes with only a small proportion of these messages and not in a consistent way. Generally, other error-correcting mechanisms such as checksums offer better performance.


Computer
  • A trivial family of cyclic perfect error-correcting block codes, in which the codewords are formed merely by repeating the message words r times. Considered as (n, k) codes (see block code), these codes have n = rk for some k.


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