| 1. | Direct model checking matrix algorithm
直接模型检测矩阵算法 |
| 2. | In b3g - system , the ldpc code has been used with the random irregular parity - check matrix , which the data length is 3944
“ b3g ”系统中, ldpc码校验矩阵为随机的非规则校验矩阵,码长为3944比特。 |
| 3. | This article uses the parity check matrix to produce a simplified decoding table under the premise of not using the structure standard array
摘要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。 |
| 4. | ( 2 ) introduce the graph theory of ldpc codes ; analyse the impact of cycle ; and research how to construct the parity check matrix
( 2 )介绍了ldpc码图模型理论;分析环对ldpc码性能的影响;并讨论了如何构造ldpc码校验矩阵。 |
| 5. | By column exchanging , the ( m , n ) parity check matrix is divided into k ( m , ni " ) sub - matrixes which obey the same rules
该方法对m行n列的校验矩阵进行列交换处理,使得校验矩阵形成k个m行ni '列的子矩阵,每个子矩阵具有一定的规律。 |
| 6. | In chapter 3 , we propose the methods for finding the generator matrix of a quasi - cyclic ldpc in “ systematic form ” from its parity - check matrix and its corresponding encoding schemes
在第三章,我们继续介绍了准循环结构的ldpc码生成矩阵的求解及其对应的编码方案。 |
| 7. | Low density parity check ( ldpc ) code , which is a special case of error correction code with sparse parity - check matrix , 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。这种码具有实现复杂度低和数据吞吐量高的优点。 |
| 8. | Low density parity check codes are a class of linear block error - correcting codes that can be defined by the very sparse parity - check matrix . their error performance approach shannon limits
Ldpc码(低密度校验码)是一类可以用非常稀疏的奇偶校验矩阵定义的线性分组纠错码,具有逼近香农限的性能。 |
| 9. | The linear block code is called a binary low - density parity - check code if it is based on a sparse parity - check matrix . this sort of code was originally proposed by dr . gallager in 1962 , which cannot attract a large amount of interest at that time
低密度奇偶校验( ldpc )码是基于稀疏校验矩阵的线性分组码,它最初由gallager于1962年提出,当时并未受到人们的重视。 |
| 10. | Since ldpc codes have a wonderful future , an adaptive coding scheme was developed based on quasi - regular ldpc codes and it encodes the source bits with different code rate by dividing the original parity check matrix properly
由于ldpc码在未来的广阔应用前景,本文提出一种针对结构化ldpc码的自适应编码方案,对原始校验矩阵适当变化,即可对信源信息进行不同码率的自适应编码。 |
