1. For the importance of the relationship between information and parity, the generator matrix and the parity-checkmatrix 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。
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2. The method used a parity-checkmatrix of a short LDPC code as its mother matrix upon which a long code was constructed with circulant permutation matrices.
3. When constructing a parity-checkmatrix, PEG can maximize the girth length, thus lowering error-floor, while quasi-cyclic structure bears other advantages.
4. Low density parity check (LDPC) code, which is a special case of error correction code with sparse parity-checkmatrix, has the performance very close to the Shannon Limit.
LDPC码是一种特殊的具有稀疏校验矩阵的纠错编码，其性能逼近香农限。
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5. Low Density parity check (LDPC) codes are a kind of linear block codes approaching Shannon limit. They can be constructed either with spare parity-checkmatrix or with factor graphs.
LDPC码是一种可以接近香农限的线性分组码，可通过稀疏奇偶校验矩阵来构造，也可以用因子图来构成。
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6. This article USES the parity checkmatrix to produce a simplified decoding table under the premise of not using the structure standard array.
在不用构造标准阵列的前提下，利用一致校验矩阵直接生成简化的译码表。
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7. Due to the particular relation of generator matrix and parity checkmatrix, 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。
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8. This paper constructs irregular LDPC codes of unequal error protection with a parity checkmatrix in a lower triangular.
采用了近似下三角校验阵的形式，构造了一类具有不等错误保护的非规则ldpc码。
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9. A design of paritycheck matrix for Irregular LDPC codes based on per mutation matrix is proposed in this paper.
提出了一种基于置换矩阵的非规则低密度奇偶校验(LDPC)码的校验矩阵设计方法。
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10. The processor (50) then joins partial matrix H1 and partial matrix H2 to generate paritycheckmatrix H.
然后，处理器（50）结合子阵H1和子阵H2来产生奇偶校验矩阵H。
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11. It is proved that the parity checkmatrix for BCH code is a representation form in the eigenvector basis. Thus the study on cyclic codes may be brought into the framework of linear system theory.
12. It is proved that the parity checkmatrix for BCH code is a representation form in the eigenvector basis. Thus the study on cyclic codes may be brought into the framework of linear system theory.
