For the importance of the relationship between information and parity, the generator matrix and the parity-check matrix of every code have been discussed.
由于信息码元与校验码元之间关系的重要性，对每一种码的生成矩阵和校验矩阵均进行了讨论。
Due to the particular relation of generator matrix and parity check matrix, it can achieve unequal error protection performance with the modified decoding algorithm.
由于校验阵和生成阵满足一定的关系，因此可以采用修正的译码算法来实现对码字的不等错误保护。
Linear fuzzy error correcting code is discussed and such basic properties of linear fuzzy error correcting code as generator matrix, dual code and so on are studied.
建立了线性模糊纠错码的概念，研究了生成阵、校验阵、对偶码等性质。
These quasi-cyclic LDPC can not only reduce the storage of LDPC generator matrix, but also decrease the encoding complexity efficiently, which is of great significance for the applications.
这些特殊结构的LDPC码不仅可以压缩编译码所需的矩阵储存空间，而且还能有效的降低编码复杂度，这对工程上实现LDPC码的应用具有重要的意义；
These quasi-cyclic LDPC can not only reduce the storage of LDPC generator matrix, but also decrease the encoding complexity efficiently, which is of great significance for the applications.
这些特殊结构的LDPC码不仅可以压缩编译码所需的矩阵储存空间，而且还能有效的降低编码复杂度，这对工程上实现LDPC码的应用具有重要的意义；
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