MSK modulation coded by linear codes is studied in the paper.
本文研究了线性码编码的MSK调制系统。
The minimum distance decoding of linear codes is NP-hard, but some solvable cases exist.
线性分组码的最小距离译码是NP -难问题,但有些情况可解。
Meanwhile, a theoretic study on the minimum distance of linear codes is made with a probabilistic algorithm given.
在编码理论研究上,针对BCH最小码字距离提出基于迭代和随机方法的搜索算法。
In Chapter 4, several problems are involved in linear codes over finite fields with two dimensional modulo metrics.
在第四章中,考虑在两种二维距离之下有限域上线性码的几个问题。
Codes over rings, especially Z_4-linear codes, have received a great deal of interest among coding theorists since 1990s.
环上线性分组码特别是Z_4 -线性分组码,从上世纪90年代起重新获得了编码界的热切关注。
The derivative of sequences is an important tool to depict and analyze the complexity of sequences and the depth distribution of linear codes.
序列的导数是刻画和分析序列的复杂性以及线性码深度分布的重要工具。
The Generalized Hamming Weights (GHW) of linear codes characterize the cryptography performance of the code on the wire-tap channel of type two.
线性码的广义汉明重量谱描述了码在第二类窃密信道中传输的密码学特征。
Using normal elements and circular permutations, this dissertation gives the method of the construction of linear codes with the best parameters;
本文利用有限域中的正规元和循环排列,给出了一类有限域上具有优的参数的线性分组码的构造方法;
In chapter 4, the problem of finding the minimum distance in large linear codes like BCH is discussed, and the decoder's general performance is analyzed theoretically.
第四章从理论上对BCH最小码字距离的问题进行研究,同时从理论角度对BCH译码的出错指示及漏警概率进行分析;
In the first, the projective system was given in section two, and the equivalence between linear codes and projective was proofed. So we can use geometric language to describe linear codes.
本文的第二部分首先给出了射影系统的概念并且描述了线性码和射影系统之间的等价性,因而我们就可以用几何语言给出线性码一个新的描述。
As a class of stabilizer codes with special structures, CSS codes can be constructed by a dual-containing binary linear code or a pair of classical binary linear codes with twisted relation.
CSS码作为其中一类具有特殊结构的稳定子码,可以由一个自对偶或一对满足扭关系的经典二元线性码构造。
The parameter of some special linear codes - Period Distribution and Generalized Hamming Weights (Support Weights or Higher Weights) were studied in this paper, and it was departed by two section.
这篇论文主要研究了几类特殊线性码的两个新的参数-周期分布和广义汉明重量(有时也称为高维重量或支持重量)。
This decoding method of improving the error-correcting capability is applicable to all binary linear cyclic codes.
这种提高纠错能力的译码方法对所有的二进制线性循环码都是适用的。
BCH codes are a subset of the class of linear block codes that have good error correction capability. Information hiding is a new technique in information security field.
BCH纠错编码是线性分组码的一种,有较好的纠错能力,信息隐藏是近年来信息安全领域出现的新技术。
The arithmetic of linear interpolation is analysed, the interpolation flow chart and part of the VB program codes are provided, and the simulation example is presented.
分析了全象限逐点比较法直线插补的算法,给出了插补流程图,并提供了部分VB程序代码,并给出了仿真实例。
Focusing on the problem that existing linear dispersion (LD) space-time codes have a high encoding and decoding complexity, a type of orthogonal linear dispersion (OLD) space-time codes is proposed.
针对多输入多输出系统中现有的线性分散(LD)空时码编、解码复杂度高的问题,提出了一类正交线性分散(old)空时编码。
In this paper, we propose a new improved linear dispersion codes transmission scheme to combat performance loss of original LDCs when using OSIC detection.
本文提出了一种改进的线性疏散码传输方案,来克服原先的线性疏散码在OSIC检测时的性能损失。
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。
The principle of optimal selection of RLL code parameters which achieve high linear density is also proposed. Comparisons of several RLL codes are given at last.
提出了以提高线性记录密度为目的的优化选择结构参数的准则,同时对常用的几种RLL编码方式进行了比较。
Systematic cyclic codes form a subclass of linear block codes and have many important and frequent applications in error-control systems.
系统循环码是线性分组码中一个重要子类,在差错控制系统中有着广泛应用。
Because new lower bounds are not relative to the weight structure of the codes, it is easy to estimate undetected error probability of various linear block codes.
由于新的限与码的重量结构无关,因此可以方便地估计任何线性分组码的不可检错误概率。
The scheme is based on the theory of linear block codes and does not make use of any encryption techniques.
该方案只基于线性分组码理论,而不使用任何加密技术。
This paper firstly overviews the efficient encoding of LDPC codes, based on which we proposes a linear encoding for UEP.
首先回顾了LDPC码的有效编码,然后在此基础上提出了一种应用于不等错误保护的线性复杂度编码方法。
The syndrome arrays are discussed in detail which are employed in decoding of a class of algebraic geometric codes and the linear recurring relations on that.
主要讨论了一点代数几何码的伴随式阵列及其上的线性递推关系。
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。
Using linear block codes to construct McEliece public-key cryptosystem essentially is constructing the securities of McEliece public-key cryptosystem by using linear block codes.
使用线性分组码用于构造m公钥体制本质上就是使用线性分组码构造m公钥体制的安全。
This paper presents a neural network decoder of linear block codes which originates from Hamming network.
本文提出了一种源于汉明类多层前向神经网络分组码译码器。
They have been found to be useful in certain cryptographic applications and in the studies of minimal trellis diagrams of linear block codes.
已发现它们在密码学应用的研究中和线性分组码最小网格图的研究中很有用途。
They have been found to be useful in certain cryptographic applications and in the studies of minimal trellis diagrams of linear block codes.
已发现它们在密码学应用的研究中和线性分组码最小网格图的研究中很有用途。
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