通过输入字符集和其对应权值来对某个文件中的所有字符进行编码，然后再译码输出。-By the input character set and the corresponding right value to all the characters in a file encoding and then decoding output.

线性分组码差错控制编码的重要的一种。的编码与译码电路比较简单，纠错能力也很强，是实际应用中比较流行的的差错编码方法之一。-Linear block code error control coding important one. Encoding and decoding circuit is relatively simple, error correction capability is also very strong, is the practical application of th