convolutional code中文是什么意思

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中文翻译
造句

卷积码

code n. 1.法典；法规。 2.规则，准则；(社会、阶级等的 ...
adaptive convolutional code 自适应卷积码
bcc binary convolutional code 二进制卷积码
cc convolutional code 卷积码
diffuse convolutional code 扩散卷积码; 散布卷积码
occ orthogonal convolutional code 正交卷积码
pcc punctured convolutional code 收缩卷积码
self-orthogonal convolutional code 自正交卷积码
convolutional 回旋的; 脑回的
convolutional atrophy 脑回萎缩, 脑叶萎缩; 脑回萎缩症
convolutional ball 旋卷球
convolutional coder 卷积编码器
convolutional encoding 卷积编码; 褶积编码
convolutional filter 旋转滤波器
convolutional impression 脑回压迹
convolutional integration 卷积积分
convolutional marking 脑回压迹
convolutional markings 脑回迹
convolutional decoder assembly 卷积码译码器
diffuse convolutional codes 扩展卷积码
punctured convolutional codes 收缩卷积码
code n. 1.法典；法规。 2.规则，准则；(社会、阶级等的)惯例，习俗，制度。 3.(电)码，代码，密码，暗码；代号，略号，暗号。 4.【生物学】遗传(密)码。 the civil [criminal] code民[刑]法典。 the moral code道德准则。 code of signals 信号密码(本)。 code of the school 校规。 code and conventions 规章制度。 C- Napoléon 拿破仑法典。 C- of Hammurabi (古代巴比伦的)汉穆拉比法典。 code of honour 社会礼法；决斗惯例。 code of written law 成文法典。 the International Code 国际电码。 the Morse code 摩尔斯电码。 vt. 1.把…编成法典[法规]。 2.把…译成[编成]电码；编(码)；译(码)。 n. -r 【自动化】编码装置；【电讯】记发器。
in code 用代码
no code 无代码
of code 开放式系统作业

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例句与用法

In order to implement the iess 309 standard and sequential decoding for the convolutional codes in satellite digital receiver , we have made a deep research in sequential decoding algorithm and solved some problems on implementing the sequential decoder for convolutional codes
为了实现iess309协议标准,在卫星数字接收机中实现卷积码的序列译码,我们深入的研究了序列译码算法,解决了序列译码器实现的过程中存在的一些问题。
We first design the construction modules of serially concatenated quantum convolutional code . and then design the corresponding code - coding gate - array . in quantum error avoiding code , we first unified the definitions of decoherence - free subspace , and then proved that all these definitions are equivalent
在量子避错码方面，统一了各种无消相干子空间的定义，证明了各种定义之间的等价性，同时提出一种利用群论方法构造无消相干子空间的简单方案。
In chapter 1 , a survey of ccc and stc , including their development is presented . in chapter 2 , encoder structure , decoder structure and interleaver of parallel concatenated convolutional code ( pccc ) and serially concatenated convolutional code ( sccc ) are studied . symbol - wise siso algorithm and bit - wise siso algorithm are given
在第二章中，系统分析了并行级联卷积编码和串行级联卷积编码的编码结构、交织器的类型、译码结构以及基于符号和基于比特的siso算法。
Turbo codes represent the new code structures , which consist of pccc ( parallel serially convolutional code ) and sccc ( serially concatenated convolutional code ) . in this paper , the background of turbo codes are firstly introduced , which includes the base principle of error correction code 、 block code and convolutional code ; the principle of turbo code and the iterative decoding is secondly expanded ; the key decoding algorithm : a revised map algorithm and iterative decoding theory are detailed ; then , a new turbo code structure : hccc ( hybrid concatenated convolutional code ) is presented , and the capacity of this code method is analyzed , the average capacity upper bound is derived ; at last , this code is simulated on awgn ( additive white gaussian noise ) channel and rayleigh fading channel
本文首先介绍了turbo码的背景知识，包括差错控制的基本原理、分组码和卷积码；然后阐述了turbo码的基本原理，包括turbo编译码器结构及迭代译码原理；较为详细地描述了关键的译码算法： ?种改进的最大后验概率( map )译码算法及迭代译码算法；提出了一种新的turbo码结构：混合turbo码(混合级联卷积码) ；并用编码性能联合界分析方法对混合turbo码进行了性能分析，得出了其平均性能上界；并在高斯白噪声信道和瑞利衰落信道上分别作了一些应用研究及计算机仿真实验。
We first retrospect the development history of relevant fields , and introduce the construction and rudiment of the base - band processing unit . after analyzing convolutional code principle and viterbi algorithm , we determine to use ( 2 , 1 , 9 ) convolutional code in this designing , and give general introduction of develop platform and designing language . then we explore the concrete realization of base - band processing unit , and bring up overall designing scheme
文中回顾了相关领域的发展历史,给出基带处理单元的组成及其基本原理,对卷积码原理和viterbi算法进行了分析,确定了用于本设计的纠错码类型( 2 , 1 , 9 )卷积码,同时对开发平台及设计语言进行了简要介绍。
Turbo codes were presented by c . berrou in international conference on communications in 1993 . they hang convolutional code and random interleaver together to realize the idea of random coding , and adopt soft input / soft output ( siso ) iterated decoding to approach maximum likelihood decoding ( mld ) . turbo codes come closer to approaching shannon ' s limit
Turbo码，由c . berrou等在icc ’ 93会议上提出，它巧妙地将卷积码和随机交织器结合在一起，实现了随机编码的思想，同时，采用软输入软输出迭代译码来逼近最大似然译码，具有近shannon限的性能。
Many of communication systems take the convolutional code and viterbi algorithm as the channel coding scheme . the viterbi algorithm decoding is a kind of maximum likelihood decoding , and its performance is good over additive white gaussian noise ( awgn ) channel , but when burst errors occur , the decoding performance may be greatly degraded
维特比译码算法是最大似然译码,在由高斯白噪声引起的随机错误的信道中有良好的性能,但当信道错误集中或为突发错误信道时,维特比译码算法则性能急剧下降。
Since the fundamental idea of tcq originates from trellis coded modulation , in order to comprehend tcq , it firstly introduces tcm . also , because viterbi decoding algorithm is the key of coding gain of tcm and tcq , it particularly introduces convolutional coding and viterbi decoding algorithm
由于tcq的基本思想源于tcm ，较好地掌握tcm的思想有助于深刻理解tcq ，所以首先介绍了网格编码调制；维特比算法是tcm和tcq提高编码增益的关键，文中对tcm和tcq都要用到的卷积编码和维特比译码也作了详细的介绍。
The viterbi decoder with hard decision designed by the paper , is aimed at ( 3 , 1 , 9 ) convolutional coding . the data rate is 9 . 6kbps . the data rate received by the rake receiver is spreaded by 127 - bit spread sequences , added pilot signals and modulated by qpsk
该课题所设计viterbi译码是针对( 3 , 1 , 9 )卷积码的硬判决译码,数据速率为9 . 6kbps ; rake接收机所接收的数据是扩频因子为127 、加入导频且经qpsk调制的扩频信号,使用verilg硬件描述语言在xilinx公司的ise环境下在用现场可编程门阵列( fpga )来实现viterbi译码器和rake接=收机的功能。
There are many decoding schemes for convolutional code , such as sequence decoding algorithm , fano algorithm , viterbi algorithm . but in fact , what ' s used widely is viterbi decoding algorithm . the viterbi decoding algorithm , proposed in 1967 by viterbi , is a decoding process for convolutional codes in memory - less channel , which takes full advantage of convolutional codes . since viterbi algorithm is proposed , it has obtained rapid development whether in theoretics or in practice and been applied to all kinds of data transmission systems , especially to digital wireless communications and deep space communications
卷积码的译码算法方案有很多，如序列译码算法、 fano算法、 viterbi算法，但是真正大规模应用的还是viterbi算法。 viterbi译码算法是1967年viterbi提出的，它是一种对无记忆信道卷积码进行译码的算法。它充分发挥了卷积码的特点，因而自viterbi算法提出以来，无论在理论上还是在实践上都得到了极其迅速的发展，并广泛的应用于各种数据传输系统，特别是无线通信和卫星通信系统中。

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百科解释

In telecommunication, a convolutional code is a type of error-correcting code in which

详细百科解释

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Last modified time:Thu, 14 Aug 2025 00:29:56 GMT