Viterbi decoding is discussed and the performances of convolutional encoding and Viterbi decoding are analyzed by computer simulation, and compared to other decoding methods.
2
同样，您也可以应用约束来表明字符串条目长度的限制。
Similarly, you can also apply constraints to indicate limits on the length of a string entry.
3
一些约束不会有变化（非空、数据库中的最大长度），但有一些会因国家而不同。
Some constraints will not change (not null, maximum length in the database), but some will vary with the country.
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