ddn

Discussion for the Private Framing Techniques of the Some DDN Equipment

某数字数据网设备的专用帧技术探讨

The data and multimedia communication networks in service in Hubei province includes PSPDN , DDN , CHINANET and the public multimedia network .

湖北省已开通运行的数据及多媒体通信网有：分组交换网、数字数据网、CHINANET及中国公众多媒体通信网等。

The new way not only lowered the cost of investment and application but also ensured the speed and quality of DDN data transmission .

这种接入方式降低了投入和应用的成本，又保证了ddn专线数据传输的速率和质量。

Design and Implementation of DDN Monitoring and Control System

DDN状态监控系统的设计实现

Improve on the DDN Network Management System Using SNMP Agent

利用SNMP代理技术改进DDN网管系统

Remote Hospital Network Management : Rational Use of Vpn and Ddn

医院异地网络通信管理&合理运用vpn和ddn数字专线

The application of DDN in digital seismic data transmission

DDN在数字地震数据传输中的应用

The Application of DDN Digital Signal Transparent Transmission Technology in Dispatching Automation System

DDN数字透传技术在调度自动化系统中的应用

The way of data transfer is through socket communication based on DDN network .

系统网络是DDN专线组成的局域网，数据传输采用socket通讯方式。

Service Functions of Public DDN and Entrance Methods of Users

公用DDN业务功能及用户接入方式

An Feasibility Analysis of the Development of Railway DDN

铁路发展数字数据网的可行性分析

Digital Data Transmission and DDN Data Network

数字数据传输与DDN网

Overall Consideration for the Development of DDN in China

发展我国数字数据网的总体技术设想

Application of DDN to electric power dispatching in a county

DDN在县级调度中的应用

So , the satellite transfer mode can instead DDN completely .

完全可利用卫星传输方式来替代DDN传输方式。

Implementation of direct digital transparent transmission of RTU data in DDN

RTU信息在DDN网络中数字透传的实现

The Digital Data Network ( DDN )

数字数据网（DDN）

The discussion of accessing way of DDN special line interconnecting two LAN

DDN专线连接两个局域网接入方式的探讨

I wasn 't there , therefore I ddn 't see .

我不在那儿，所以没有看见。

Due to economic constraints , the DDN user node site has seen very slow development .

由于经济条件的限制，我国DDN用户节点侧一直发展缓慢，用户使用很不灵活。

Three Configuring Ways of Connecting the Internet Through DDN

采用DDN接入INTERNET的3种配置方法

DDN Network Expansion and Optimization in Shenzhen

深圳DDN网络的扩容与优化

Introduction and Analysis of Wireless DDN

无线DDN的简介与分析

Then I discuss the potential development prospect of the DDN business of Jiaozuo from the market angle .

又从市场角度，分析了焦作DDN业务的潜在发展前景。

Application of DDN in Guangdong Digital Telemetry Seismographic Network

数字通信网络在广东数字地震遥测台网中的应用

Ddn 't I say the bus broke down ?

我不是说过车坏了吗？

DDN Access in Access Network

接入网中的DDN接入

Realization of DDN Link Connecting on Satellite Channels

利用卫星信道实现DDN式链路连接的研制

This article discusses the implementation of DDN access in access network , then , several schemes are presented and analyzed .

本文首先介绍了传统的DDN接入方式及其存在的问题，然后重点介绍了接入网中的几种DDN接入方式的实现，并分析了其优缺点。

A digital data network ( DDN ) is a data transmission network within which digital channels are utilized for data signal transmission .

数字数据网（DDN）是采用数字信道来传输数据信号的数据传输网。数据通信技术中，一种宽频带的信道。