数字传输

In this thesis , we use electronical TDM and optical WDM to realize a quadruplex system of digital video fiber transmission .

本文利用电时分复用和光波分复用的方式实现了四路数字视频信号的单光纤传输，并设让出了两路实验系统电路。

Under the background of the development of computer technique, digital compressing technique, rapid wide band technique and rapid high capacity memory, it is a trend to digitize television screening, manufacturing, transmitting and broadcasting.

随着计算机技术、数字压缩技术、高速宽带网络技术和高速大容量存储介质的不断完善，电视从拍摄、制作、传输、存储和播出的各个环节走向全面数字化是一个必然趋势。

In the thesis, problem of real-time performance and QoS of video transmission are addressed comprehensively.

该方案同时保证了数字视频传输的实时性和服务质量。

The first semimonthly positions at CATV, digital TV and new media; the latter one positions at launching, transmission, covering technology and operation of wireless and satellite.

广播电视信息》由国家广电总局主管，创刊于1994年，2007年由月刊扩充为半月刊，上半月刊定位于有线电视、数字电视及新媒体，下半月刊定位于无线及卫星的发射、传输、覆盖技术与运营。

Based on traditional instrument,through SPC3 chip communication protocol conversion,the instrument can be linked from slave station to Profibus fieldbus network,thus digitaI signal transmission is implemented.

在传统仪表的基础上，通过SPC3芯片通信协议转换，可以使仪表从站挂接到Profibus现场总线网络上。从而实现数字信号的传输。

Speech coding is one of the basic and most important components in digital communication networks. 2. 4kb/s and even lower bit-rate speech coding is always one of the most important research topics in the area of speech coding.

数字语音的编码传输是整个数字化通信网中最重要、最基本的组成部分之一。2.4kb/s甚至更低速率的语音编码技术一直是语音编码中重要的研究课题。

With the rapid evolution of image compression,network transmission and electron technique,Embedded image surveillant system has became a new developing hotspot.

随着图像压缩技术、网络传输技术和电子技术的飞速发展，嵌入式数字网络图像监控系统已成为当今监控领域的一个新的开发热点。

This paper mainly focuses on the research and realization of the channel receiving chip according with the DTV transmission draft in cable which we proposed.

本文主要针对我们提出的数字电视传输方案电缆模式下的信道接收芯片的设计和实现进行了研究。

DVB-C, the standard of digital television cable transmission, has been accepted by most countries.

数字电视有线传输标准DVB-C已经被大多数国家接受。

Digital signal transmission in the wireless channel, due to the various conditions of access, such as...

数字信号在无线信道中传输时，由于受到各种信道条件的影响，如多经径、衰落、干扰和噪声，接收信号不可避免地会发生错误。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了