循环码的编码和译码算法。有两种编码器：K级和n-K级。配有译法算法。输入生成多项式或校验多项式，输入信息，就能得到编码输出。-Cyclic code encoding and decoding algorithm. There are two encoder: K-class and class nK. With a translation algorithm. Input to generate checksum polynomial or polynomial, input informat