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。
A simple and efficient algorithm for locating multiple faults in parity check circuits is presented.
本文提出了定位奇偶检测电路多重故障的简单而有效的算法。
An encoder architecture of low density parity check (LDPC) code defined in DVB-S2 standard is proposed.
针对DVB - S2标准中的低密度奇偶校验(LDPC)码，提出了一种LDPC编码器设计结构。
BIP-8 performs an even-parity check on the previous Synchronous Transport Signal level 1 (STS-1) frame.
BIP- 8执行以前的同步传输信号电平1 (STS - 1)帧的偶数奇偶校验。
The processor (50) then joins partial matrix H1 and partial matrix H2 to generate parity check matrix 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。
This paper presents a simple algorithm for multiple fault detection and location in parity check networks.
本文提出了奇偶校验与生成电路多重故障检测和定位的一种简便算法。
Based on evolvable algorithm, this paper proposed a new method for parity check circuit design automatically.
基于演化算法技术，提出一种新的设计思想，实现奇偶校验器的电路自动设计。
A design of parity check 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。
The protocol realized some functions, such as two-way data buffer, shift register, clock circuit and parity check.
在通信协议中，主要实现了双向数据缓冲器、数据移位寄存器、时钟控制电路以及奇偶校验等功能。
A personal computer has two memory Banks respectively connected to two parity check units operative to detect parity errors.
一台个人计算机具有分别与两个用来检测奇偶错误的奇偶校验单元相连的两个存储单元。
These sub-codes can be the same or not, Hamming code, extended Hamming code, BCH code, single parity check code , and so on.
子码码型可以相同也可以不同，可以使用汉明码、扩展汉明码、BCH码、单奇偶校验码。
This paper presents the principle of parity check on magnetic tape records in the 3700 CLS system. The causes of parity errors are analyzed.
本文介绍了3700数控测井仪磁带记录奇偶校验原理，分析了产生奇偶错的原因。
In fact, we have shown that by the generation matrices or parity check matrices of any MDS codes, one can get a new method of secret sharing.
实际上利用每一个mds码的生成矩阵或校验矩阵都可以得到一种分享秘密的方法。
This article USES the parity check matrix 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。
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。
Based on the suitable channel model, an implementation of quasi-cyclic low density parity check codes (QC-LDPC) for acoustic communication system in shallow water is demonstrated.
讨论了准循环低密度校验码(QC - LDPC)在浅海水声信道中的实现方案。
Low Density parity check (LDPC) codes are a kind of linear block codes approaching Shannon limit. They can be constructed either with spare parity-check matrix 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。
Abstract : The structured low density parity check (LDPC) codes can be described by the base-matrices and lifting factors, which have low encoding/decoding complexity and good coding performance.
摘要结构化低密度奇偶校验码可通过基矩阵和扩展因子描述，具有较低的编译码复杂度和优异的译码性能。
It is proved that the parity check matrix 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.
证明了BCH码的校验矩阵是用循环变换的特征向量作基底时的一种表示形式，从而把循环码的研究纳入到线性系统理论研究的框架之中。
This paper researches distributed video coding performance based on n-nary Low Density Parity Check (LDPC) code.
对基于多进制低密度奇偶校验(LDPC)码的分布式视频编码性能进行研究。
The Multiple Concatenated Parity Check-Code studied in this paper is this type of code, which has strong error-correcting ability.
本文所研究的多重级联奇偶校验码就是这种类型的具有很强纠错能力的差错控制编码。
To improve the decoding performance of Low Density Parity Check (LDPC) code, an efficient decoding algorithm based on min-sum algorithm is proposed.
针对低密度奇偶校验(LDPC)译码算法性能低的问题，提出一种基于最小和的高效译码算法。
Density evolution (DE) is one of the most powerful tools for analyzing the performance of low-density parity - check (LDPC) codes.
密度进化理论是分析低密度校验码的迭代译码性能的有效工具。
The method used a parity-check matrix of a short LDPC code as its mother matrix upon which a long code was constructed with circulant permutation matrices.
该方法利用一个短的LDPC码的校验矩阵作为其母矩阵，在此基础上采用循环置换矩阵构造一个长的LDPC码。
However, the performance of LDPC code depends on the girth of its bipartite graph, that is it depends on its sparse parity-check matrices H, especially the complexity of encoding with H.
而LDPC码性能的优劣，与其二分图中是否存在短长度的圈有关，也即与其奇偶校验矩阵的构造有关。
The low-density parity-check codes constructed by the proposed method have a good structure.
采用这一方法构造的低密度校验码具有良好的结构。
When constructing a parity-check matrix, PEG can maximize the girth length, thus lowering error-floor, while quasi-cyclic structure bears other advantages.
在校验矩阵构造方面，PEG的构造方法在度约束条件下能最大化环长，从而降低误码平层。同时准循环码在结构化方面也有很多优点。
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。
Based on some characteristics of decoding and error-floors of low-density parity-check (LDPC) codes, an approach of adding vertical parity-check blocks to original LDPC blocks over GF (2) is proposed.
基于LDPC码在译码和差错平底区域的一些特殊性质，提出了一种为GF(2)域上的LDPC码已编码码字增加纵向校验码字的方法。
Based on some characteristics of decoding and error-floors of low-density parity-check (LDPC) codes, an approach of adding vertical parity-check blocks to original LDPC blocks over GF (2) is proposed.
基于LDPC码在译码和差错平底区域的一些特殊性质，提出了一种为GF(2)域上的LDPC码已编码码字增加纵向校验码字的方法。
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