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。
Furthermore , this paper analyzes the error control system based on concatenated code , mainly including the formation , encoding , decoding of rs code and convolutional code , interleaving , and deinterleaving 本文同时也就基于级联码的差错控制系统设计作了分析,主要包括rs码和卷积码的构成、编码、译码、交织和去交织。
First , the paper briefly introduces theories of convolutional coding , viterbi decoding algorithm and rake receiver . then , the paper focuses on methods to implement viterbi decoder and rake receiver in fpga 本文简要介绍了卷积码、 viterbi译码和rake接收机的原理,详细描述了在fpga中实现viterbi译码和rake接收机的方法。
Therefore , during system design , cascade coding combining reed - solomon codes and convolutional codes is utilized ; in addition , time - direction and frequency - direction interleaves are added to alleviate channel fading 因此在进行系统设计时,采用了rs码与卷积码的级联编码方案,并同时加入时间交织和频率交织来对抗信道衰落。
The mainly work is as follows : 1 . aiming at the systemic convolutional code prescribed in the intelsat iess 309 standard we bring forward a kind of actual method and implement the encoder with programming language 本文所做的主要工作如下: 1 、针对iess309协议中所规定的系统卷积码,研究了一种实际的编码方法,并编程实现其编码。
Both quantum error correcting code and quantum error avoiding code are practical quantum channel coding schemes . we present in this dissertation a new quantum error correcting code scheme , named serially concatenated quantum convolutional code 克服量子信道噪声的编码就称为量子信道编码,实用的量子信道编码包括量子纠错码和量子避错码。
The iess 309 standard indicates two decoding methods , we focus on the systemic convolutional code with long encoding restriction which is 36 bit and adopt the fano sequential decoding algorithm to implement the decoder 在协议中规定了两种译码的方式,我们主要是针对编码约束度为36的系统卷积码,采用fano序列译码算法来实现其译码,并进行了仿真。
With the developments of the concatenated codes and turbo codes reviewed , the serially concatenated convolutional codes that are the serial counterpart of the turbo codes are introduced firstly in this paper 本文在对级联码发展历史和turbo码简要介绍的基础上,着重研究了串行级联卷积码( sccc )和串行级联网格编码调制( sctcm )的编译码方法、纠错性能和设计原则。
( 2 , 1 , 7 ) nonsystematic convolutional codes are optimal convolutional codes on the same code length and information bit length condition , so they are adopted as space standard codes by ccsds ( consultative committee for space data systems ) ( 2 , 1 , 7 )非系统卷积码在相同的码长和信息长度下为最佳卷积码,因此被ccsds (空间数据系统咨询委员会)采纳为空间标准码。
Convolutinal coding is a coding scheme often employed in digital wireless communications . viterbi decoders are used to decode convolutional codes . viterbi decoders employed in digital wireless communications are complex and dissipate large power 卷积码是一类重要的前向纠错编码,它编码简单,易于实现最佳译码,是当今无线数字通信系统的一个十分重要的组成部分。
In the first part of this thesis , the iterative process structure which is based on the extrinsic information exchange between the siso ( soft in soft out ) component decoders of pccc ( parallel concatenated convolutional codes ) is discussed 首先以并行级联卷积码( pccc )为对象详细的讨论了分量码的软输入软输出( siso )算法和在此基础上基于外信息交换的迭代解码算法。