介绍了循环码编译码系统的特点。
The characteristic of cyclic coding and decoding system were discussed.
决策者们准备采取措施打破这种恶性循环码?
Are policy makers ready to do what it takes to break this vicious circle?
本文采用几何的方法对循环码进行了研究。
循环码的矩阵描述。
本文在第二章中研究了有限域上单生成元的拟循环码。
In the second chapter of this paper, we discuss the 1-generator quasi-cyclic over finite filed IF_q.
应用这种方法可以求得任意GF(2)上循环码的单位元。
The identity element of arbitrary cyclic code over GF(2) can be found out by use of this method.
但是,该方法的关键是寻求循环码的一个覆盖多项式集合。
The key point of this method is to find a set of covering polynomials.
一种用于检查一组字符的错误、并且具有最小冗余度的循环码。
A cyclic code with minimum redundancy used to check errors in a set of characters.
本文着重介绍光电转换,循环码技术及其在测风仪器中的应用。
A description of cyclic coding technique through photo-electric conversion and its application to wind-measuring instrument is presented.
此外,还提出了使用附加触发器时循环码计数器的快速综合法。
Furthermore, a fast synthesis for the cyclic-code counter using additional flip-flop is also proposed.
给定一个循环码,求取它的覆盖多项式集合目前尚无系统的方法。
For a cyclic code, it is difficult to find the set of it's covering polynomials. We have not had a systematic method to find it.
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.
通过设计实例表明,该设计方法对于设计循环码计数器具有一定的实用意义。
Some examples of design show that the fast design method of cyclic code counter by using T flip-flops is of great advantages and practical significance.
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。
Systematic cyclic codes form a subclass of linear block codes and have many important and frequent applications in error-control systems.
多年来,有限环上的循环码和自对偶码一直是编码研究者所关心的热点问题。
In the last ten or more years, the cyclic codes and self-dual codes over finite rings have become a hot issue for coding theorists.
多年来,有限环上的循环码和自对偶码一直是编码研究者所关心的热点问题。
The equivalence of maximal self-orthogonal codes obtained from binary self-dual codes by truncating are discussed.
通过设计实例表明,采用快速综合法设计循环码计数器具有一定的优点和实用意义。
Some design examples show that the adoption of the fast synthesis of the cyclic-code counter is of great advantage and practical significance.
以32位的循环码移位键控(CCSK)码字S0为基础建立扩频空间,完成软扩频;
By using 32 bit Cyclic Code Shift Keying(CCSK) code-word S0 to establish spread spectrum space, the tamed spread spectrum was completed.
阐述了软件设计要点;就行业内现场常用的循环码编码器(码盘),介绍了其译码方法;
The key points of software design was illustrated and the decode method of the Cyclic Code Encode extensively used on site was introduced.
提出了一种适用于TDD上行链路的基于预均衡和正交循环码的M元MC-CDMA系统。
A novel M-ary MC-CDMA system in uplink TDD mode is proposed based on orthogonal cyclic codes and pre-equalization.
由于循环码是无权码,书写和编制都比普通二进制码麻烦,正确的编制是电路设计的关键。
Cycle code has no weighted, so writing and coding cycle codes are more difficult than common binary codes. Coding is the key of the design.
本文着重介绍循环码校验的原理,以及循环码校验所能检错的范围和实现循环码校验的方法。
This paper mainly presents the principle of cyclic code check and indicates the range it reached as well as its implementation.
分析二进制码盘、循环码盘的特点,提出一种新型的具有三种区域模式的绝对武码盘设计方案。
The characteristics of binary code disc and cyclic code disc are analyzed, and a new design of absolute code disc based on three regional models is then presented.
构造一类具有伪随机序列性质的循环码,并利用良好的伪随机序列的相关特性,对循环码进行相关译码。
The cyclic code based on pseudorandom sequence, and its decoding can take advantage of the nice characteristic of pseudorandom sequence's correlation.
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.
根据循环码的特点,总结出了书写循环码简单、方便又不容易出错的方法,同时提出了任意2N进制循环码的编码方法。
This paper summarizes some simple, convenient and infallible ways of writing 2N cyclic codes according to the characters of cyclic codes. It also points out the ways of coding random 2N cyclic codes.
利用这一联系,提出了GF(4)上的经典常数循环码满足迹内积自正交的充要条件,从而构造出了对应的量子常数循环码。
Based on this connection, one method for constructing quantum constacyclic codes is presented by finding self-orthogonal classical constacyclic codes over the field GF(4) under a trace inner product.
当有限域的特征不整除群的阶时,给出了直接写出相应的多项式环的本原幂等元的方法,从而可以直接写出所有的极小循环码。
In the case of(Char(F_q), |G|)=1, we provide a method that writing down directly all the primitive idempotents of related polynomial ring, and hence that of all the minimum cyclic codes.
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。
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。
When constructing a parity-check matrix, PEG can maximize the girth length, thus lowering error-floor, while quasi-cyclic structure bears other advantages.
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