Synchronous Digital hierarchy Cross-Connect SDXC

As a maturely developed communication technology,SDH has a broad prospect of application in power system communication network.

同步数字系列(SDH)是近年来发展很成熟的通信技术,对于电力系统通信网有着十分广阔的应用前景。

Pointer adjustments bring 8 bit, or even 24 bit jitter in synchronous digital hierarhy (SDH).

同步数字系列(SDH)中的指针调整引入了8bit或24bit的大幅度抖动,为了处理这一抖动,提出了一种数字化处理方法———自适应预测法,可以作为预处理方法应用于SDH中的四次群时钟恢复。

A scheme based on Synchronous Digital Hierarchy(SDH) technique for radar information transmission is put forward.

本文提出了基于SDH(同步数字系列)传输技术实现雷达数据宽带传输的方案,给出了实现雷达数据传输的SDH网络拓扑结构和虚级联的数据通道分配方案。

A Comparative Study of PDH、SDH and SONET Technologies

准同步数字系列、同步数字系列、同步光纤网的技术比较及互通

Implementation method of a core SONET/SDH switch with high capacity

同步光网络和同步数字系列大容量交叉的实现

Code for construction of SDH project of railway optical fiber cable communication

铁路光缆通信同步数字系列工程施工规范

Temporary regulation for design of synchronous digital hierarchy(SDH)microwave relay telecommunication system engineering

同步数字系列（SDH）微波接力通信系统工程设计暂行规定

Temporary regulation for design of SDH long-distance optical fibre cable transmission project

同步数字系列（SDH）长途光缆传输工程设计暂行规定

Temporary regulation for acceptance SDH equipments installation of optical fibre cable transmission project

同步数字系列（SDH）光缆传输设计安装工程验收暂行规定

Study of a New-Type Digital Synchronous Valve and Its Application to Synchronous System;

新型数字同步阀及其在同步系统中的应用研究

Realization of Spread Spectrum Sequence Synchronization by Digital Method in Radio Receiver;

无线接收机中扩频序列同步的数字化实现

Frame structure for synchronous digital hierarchy signal

GB/T15409-1994同步数字体系信号的帧结构

Synchronous digital hierarchy bit rates

GB/T14731-1993同步数字体系的比特率

The Research on Digital Control System of Permanent Magnet Synchronization Motor;

永磁同步电动机数字化控制系统研究

Research on Digital Drive System of Permanent Magnet Synchronous Motor;

永磁同步电动机数字化驱动系统研究

A Brief Discussion on the Net Synchronization of Radio & Television Digital Communication System

浅谈广播电视数字通信系统的网同步

Realization of Digital Permanent Magnet Synchronous Motor Control System

永磁同步电机控制系统全数字化实现

Methods of measurement for synchronous digital hierarchy(SDH)optical fiber cable line systems

GB/T16814-1997同步数字体系（SDH）光缆线路系统测试方法

Requirements for synchronous digital hierarchy (SDH) optical fiber cable line systems of national public telecommunication network

GB/T15941-1995同步数字体系(SDH)光缆线路系统进网要求

Study of Control Strategies of Position Synchronous System Using New-Type Digital Synchronous Valve;

基于新型数字同步阀位置同步系统控制策略的研究

digital-selsyn converter

数字自同步机转换器