design of digital phase locked loop used in sdh equipment clock

perfection of electric power system sdh optical transmission network using sdh microwave

利用SDH微波完善电力系统SDH光传输网

research and application of video exchange self-healing ring network based on sdh

SDH视频交换自愈环网的研究与应用

the key technologies and application of sdh digital microwave communication

SDH数字微波通信的关键技术及其应用

a method of extracting high quality clocks from sdh line signal

一种从SDH线路信号中提取高质量时钟的方法

the research of sdh network management equipment unit

SDH网元管理设备的研究

some problems in operating optical fiber communication sdh system

光纤通信SDH系统在开通调测中的一些问题

sdh digital microwave network management system is a part of telecom management network.

SDH数字微波网管系统同SDH先传输网管系统、PSTN网管系统、DDN网管系统一样，是电信管理网（TMN）的一部分。

high speed rate sdh signal storage system based on pci express bus

基于PCI-E总线的高速SDH信号存储系统

application of private power communications network based on sdh

基于SDH的电力通信组网应用

application of sdh broadcast data function in remote monitoring and controlling

SDH广播数据功能在远程监控的实际应用

a broadband transfer scheme based on sdh technique for radar data

一种基于SDH技术的雷达数据宽带传输方案

the application of interference tolerance to sdh microwave communication project design

SDH微波通信工程设计中干扰容限的运用

this paper studies the main techniques in sdh testing.

本文研究了SDH。

sdh network planning and management with the help of computer

使用计算机进行SDH网络规划与管理

sdh optical communication technology and its network application in one aerospace network project

SDH光纤通信技术及其在某航天工程中的组网应用

the applications of sdh& wdm in power system communication network

SDH和WDM光纤技术在电力系统通信中的应用

sdh optical transmission network protection system and its application

SDH光网络保护体系及其应用

application of sdh networking mode in electric power communication transmission network

SDH常用组网方式在电力通信传输网中的运用

the development of sdh in the world& the strategies for china

国际SDH的发展及我们应采取的策略

application of methods about sdh transmission network evaluation and optimization

SDH传输网络评估优化方法的应用