Coaxial cables - part 3 - 1 : sectionnal specifications for cables used in telecom applications - miniaturized cables used in digital communication systems 同轴电缆.第3 - 1部分:电信设施用电缆的分规范.数字通信系统中使用的微型电缆
In this paper the equalizer technology of serical transmission of hf digital communication system and the algorithm implement of fixed - point dsp were studied 本文研究了短波数字通信系统串行传输中的均衡技术，以及定点dsp均衡算法的实现。
In the field of underwater acoustic communications , the intersymbol interference caused by multipath effects will make the reliability and the rate of the propagation of underwater acoustic signals 在水声数字通信系统中，声波传播的多途效应会引起严重的码间干扰，使水下数据传输的可靠性和数据传输速率都大大的降低。
Reducing the bit - error rate in digital communication with error - correction technology and improving the quality of communication have been widely defined and used as the standard technology all over the world 利用纠错码技术降低各类数字通信系统的误码率,提高通信质量,已经在世界上许多国家作为一门标准技术而广泛采用。
This dissertation mainly introduces a design solution of one wireless digital ( such as moving pictures and acoustic signals ) trans - receiving system , and discusses of the dsp and usb technology applications are also presented here 本论文主要介绍一种无线数字通信系统的设计方案，深入探讨了dsp技术与usb技术在系统中的应用。
As a important part of digital communication system , channel coding technology is applied abroad in anti - jamming and error control in digital communication for protecting communication dependability 作为数字通信系统中一个重要组成部分,信道编码技术为保证通信的可靠性发挥着重要作用,广泛应用于数字通信的抗干扰和差错控制之中。
The structure of this paper is arranged as follows : chapter one introduces the characteristic and development of ofdm . it also gives the brief comparison between single - carrier systems and multi - carrier systems 本文的篇章结构如下：第一章首先介绍了数字通信系统的基本组成和无线衰落信道的特征以及ofdm系统的主要特点及发展历史。
Compared with existing gsm system and manet , the wireless mobile self - organizing network system we introduce in the paper characterizes itself by flexibility in formation as well as convenience in access 无线移动自组织互联网络在组网技术上结合蜂窝式数字通信系统和manet网络的特点，既具有组网灵活的优点，又方便移动数据用户的接入。
Message formats and protocols for serial data interfaces in alarm transmission systems part 8 : serial protocol for use by digital communication systems using itu - t recommendation v . 23 signalling at interfaces with the pstn 报警传输系统串行数据接口的信息格式和协议第8部分：与pstn接口处采用itu - t建议v . 23信令的数字通信系统中的串行协议
These years , the use of burst mode data transmission is increasing in digital - communication systems . these systems use point - to - point and point - to - multipoint connections over optical , wireless , and coaxial media 近年来，突发模式的数据传输方式正在越来越多的应用于数字通信系统中，这些系统通过光纤、无线和同轴电缆等媒质实现点到多点的连接。
