查询词典 numeric coding

Information theory, channel coding theory and their applications to communication systems and digital recording systems

信息论；编码调制技术及其在通信系统中的应用；代数编码理论及应用等

In this thesis, digital speech coding technologies are studied with the purpose of implementing underwater digital speech communication.

由于水介质的吸收使得水声信道可利用的工作频率较低，信道带宽较窄，因此通信速率较低。

Digital video coding is the key technology of all kinds of digital video application.

数字视频压缩编码技术是各种数字视频应用的关键技术。

ABSTRACT Digital video coding is one of the key technologies of multimedia communication.

数字视频压缩编码技术是实现多媒体通信的关键技术之一。

The kinds of nuclear protein-coding genes were more than ribosome genes in insect phylogenetic analyses, but most of them were only applied to phylogenetic analyses of Diptera and Lepidoptera,and few gen...

与核糖体基因相比，虽然编码蛋白的核基因应用于昆虫分子系统学的种类不少，但大部分都是应用于双翅目和鳞翅目昆虫的分子系统学研究中，能够成功地普遍用于多个目昆虫的系统学研究的核基因并不多。

By 23rd March 2004, there have been 883 records about mtDNA of Chrysomelidae in the data bank of NCBI, but the record of cytb is 0. cytb is the protein-coding gene and known most clearly in mtDNA. Its often used to study Diptera but never to study the phylogeny of Chrysomelidae.

截至2004年3月23日，在NCBI数据库中，有关叶甲科线粒体基因记录共有883条，但线粒体细胞色素b基因为0记录。cytb基因是一种编码蛋白的基因，是目前了解的最清楚的线粒体基因之一，多用于研究双翅目昆虫，却未曾用于研究叶甲科的系统学问题。

Hybrid coding differential evolution algorithm is a new effective way for solving the discrete optimization problem.

混合编码差异演化算法是求解离散约束优化问题的一种有效方法。

The particle swarm optimization method is applied to NSBM.Firstly the coding approach is designed and then the particles are sequenced using the priority value vectors which make PSO appropriate for the discrete optimization problem.

首先设计了微粒的编码方法；然后采用了基于优先值向量的排序方法对微粒进行解码，有效的利用了微粒群算法在离散优化中的优势；最后利用批调度策略进行分批处理，获得优秀的可行解。

However, due to the constraint and diversity of computing resources on mobile devices as well as dithered bandwidth and instability of wireless networks, traditional video coding techniques can not be directly used in mobile environment.

然而，由于移动设备计算资源的限制性和异构性，以及无线网络带宽的波动性和传输的不稳定性，导致基于Internet上的视频编码和传输技术不能直接有效的应用于移动环境。

M sequence pseudorandom code is used for encoding the pseudorandom code absolute encoder, double slit technique is used to perform time sharing reading and ROM is used as the coding device.

伪随机码绝对式编码器采用M序列伪随机码作为编码方法，采用双狭缝技术进行分时位置读取，并采用ROM元件进行译码输出。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。