研究了非线性码的格子复杂度。
In this paper, the trellis complexity of nonlinear codes is considered.
本文研究了线性码编码的MSK调制系统。
MSK modulation coded by linear codes is studied in the paper.
第二，定义了该环上线性码李重量分布的概念。
Secondly, the concept of Lee weight distribution over the foresaid ring is defined.
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。
In Chapter 4, several problems are involved in linear codes over finite fields with two dimensional modulo metrics.
另外，将序列深度的概念应用到线性码中也是一种很好的尝试和探索。
Furthermore, applying the concept of depth of sequence to linear code is also a good attempt.
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 derivative of sequences is an important tool to depict and analyze the complexity of sequences and the depth distribution of linear codes.
定义了二元非线性码的广义rt重量，该广义重量的基本性质已经得到。
A definition of generalized rt weights of binary nonlinear code is given, and basic properties of the generalized weights are derived.
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。
The Generalized Hamming Weights (GHW) of linear codes characterize the cryptography performance of the code on the wire-tap channel of type two.
本文导出了线性码的码重分布通用算式，给出了bch码的码重分布算式。
In this paper, the general formula for determining weight distribution of linear code is presented.
由于我们所构造的码均是线性码，进而可以通过取一组基给出简单的编码算法。
Since the codes in the paper are linear, a quite simple decoding algorithms can be designed for them by the way of choosing a basis.
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。
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.
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)。
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.
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。
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.
提出一种由线性调频与二相码组合而成的新型混合脉冲信号，给出了其数学表达式、处理方法及其模糊函数的表达式。
According to a new type of mixed pulse compression signal, this paper discusses the mathematical expression, the way of processing and the expression of the ambiguity function.
此外，提出了新的线性疏散码传输矩阵计算机搜索准则。
Furthermore, a new computer search criterion for a linear transformation matrix is also proposed.
本文给出了有限域上多项式的友矩阵的某些性质，及其在计算线性移位寄存器序列的周期和循环码的最小长度的应用。
This paper gives some properties of companion matrix of polynomial over finite field with its application for evaluating period of linear shift register sequence and minimal length of cyclic code.
经汇编后生成内部指令码线性表，实现循环扫描控制，其处理方法简捷，运行稳定可靠。
Internal code linear table was created and adopted to achieve cycle-scanning control. The processing method is simple and stable in running.
线性分组码的最小距离译码是NP -难问题，但有些情况可解。
The minimum distance decoding of linear codes is NP-hard, but some solvable cases exist.
根据不同的传输需求，正交线性空时弥散码的形式还可以灵活变化。
Orthogonal linear dispersive space time code can also be used as an adaptive one for different application requirement.
本文提出一种算法实现单连通区域的线性四元树表示转换成区域边界的4 -方向链码描述。
An algorithm is presented for converting the linear quadtree representation of a simply connected region into a 4-direction chain code description of the region's boundary.
该方案只基于线性分组码理论，而不使用任何加密技术。
The scheme is based on the theory of linear block codes and does not make use of any encryption techniques.
依据有限域直和与有限环同构的代数性质，对多路复用系统构造线性分组码。
According to algebraic property that a direct sum of Galois fields is isomorphic to a finite ring, the linear block code for multiplexing systems is proposed.
码激励线性预测（CELP）编码在中低速率上与传统的LPC声码器相比可以提供更加自然的语音质量。
Code-Excited Linear Predictive (CELP) coding can provide natural speech quality at medium and low bit rates in contrast with conventional LPC vocoder.
低时延码激励线性预测(LD - CELP)语音编码能够在较低速率把高质量与低时延结合起来。
The Low-Delay Code-Exited Linear Predictive (LD-CELP) Speech Coder can combine high quality with low delay at quite low bit rates.
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。
In this paper, we propose a new improved linear dispersion codes transmission scheme to combat performance loss of original LDCs when using OSIC detection.
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。
This decoding method of improving the error-correcting capability is applicable to all binary linear cyclic codes.
矩阵或H矩阵可以进行线性分组码的编码和译码。
G matrix or H matrix can be linear block code encoding and decoding.
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。
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。
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.
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