本文档介绍了编码原理基础，主要从(1)群、（2）域、（3）伽罗华域算术、（4）伽罗华域GF（2m）的基本性质、（5）矢量空间（6）矩阵等方面介绍。-This document describes the principles of the code base, mainly from (1) group, (2) domain, (3) Galois field arithmetic, (4) Galois field GF (2m) of the basic nature, (5) vector space (6) matrix, such as introduced.