数字系列

本建议提供了一个同步数字系列（SDH）网络的信息模型。

This Recommendation provides an information model for the Synchronous Digital Hierarchy ( SDH ) Network .

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 synchronous digital hierarchy ( SDH ) microwave relay telecommunication system engineering

在同步数字系列（SDH）的集成系统中，需要用到并行扰码技术。

Parallel scrambling techniques is required in the integrated system of Synchronous Digital Hierarchy ( SDH ) .

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。

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

在复分接系统中，如同步数字系列（SDH），定时处理占有重要地位。

In multiplex and demultiplex systems such as Synchronous Digital Hierarchy ( SDH ), timing processing is very important to system performance .

同步数字系列（SDH）所具有的灵活的系统配置结构以及丰富的网络管理资源给实现智能化网络调度和安全保护的功能提供了技术上的支持。

The flexible system configuration and abundant network management of SDH provide technical supports for implementing the functions of intelligent network routing and protecting .

从同步数字系列（SDH）的产生背景、工作原理出发，介绍了SDH的主要设备、网络结构和自愈环；

Based on the background and principle of synchronous digital hierarchy SDH , the network architecture and self - healing rings of SDH are introduced .

此外，针对目前实际应用的光网络同步数字系列SDH，我们提出综合监控方案，并已实际应用。

In addition , for Synchronous Digital Hierarchy ( SDH ) is the optical network implemented in practice , we proposed integrated monitor for SDH , which has been used in business .

文章首先简要介绍了同步数字系列（SDH）虚级联的基本概念，然后重点分析了SDH虚级联的实现过程，最后利用VHDL语言对该过程进行了仿真。

This paper firstly introduces the basic concept of virtual concatenation in SDH briefly , then analyzes the realization course of virtual concatenation on SDH , and finally records simulation process with VHDL .

通过对距离依赖业务量疏导问题的理论分析，得到一个该问题需要使用同步数字系列插分复用器（S-ADM）数量的下界DLB；

For the distance dependence traffic pattern , it obtained a low bound of ADMs ( D LB ) by analysis .

SDH具有全世界统一的网络节点接口，标准化的信息等级结构，能够兼容现有的PDH准同步数字系列传输系统，使得全世界传输系统能够在STM-N级别上进行互联互通。

SDH has the unified network node interface ( NNI ), standardized information class structure in all the world and can be compatible with PDH , which makes all the transmission network systems can communicate with each other on the level of STM-N.

铁路光缆通信同步数字系列工程施工规范

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

同步数字系列及其在微波通信中的应用

Synchronous Digital Hierachy ( SDH ) and Its Application in Microwave Communication

光同步数字系列帧同步性能分析

Analysis of Frame Alignment for Synchronous Digital Hierarchy

同步数字系列传输网路径管理的设计与实现

Design and Realization of SDH Trail Management

数字系列完成问题的认知成分分析及其诊断应用研究

Research on the Cognitive Component Analysis of Number Series Completion Problem and Its Diagnosis Application

这种网络体系结构用在构造分布式多个计算机组成的网络计算应用中特别理想，在同步数字系列交叉互连系统的交叉连接矩阵的实现中也很有竞争力。

And it is competitive in realization of Cross connect matrix of SDH Cross connect system .

解读数字系列流行语

Interpretation of Digital Series Catchwords

本建议规定了工作在低于数字系列的一次群速率的国际数字连接的差错性能参数和指标。

This Recommendation defines error performance parameters and objectives for international digital connections operating below the primary rate of the digital hierarchy .

文章介绍了同步数字系列发展过程及其在微波通信中应用的特点。

This paper introduces tile developing history of the synchronous digital hierachy ( SDH ) and its application features in the microwave communication .

实验3控制目标时距和该时距内的填充数字系列的分割段数以及段的持续时间，操纵段内的项目数；

In experiment 3 , target interval , number of segments of Arabic numeral series filling in the interval and duration of segments were under control .

研究的题材主要是自编数字系列完成测验，研究的对象为小学四至六年级的学生。

The main material of this study is number series completion test and the subjects of this study are students which are from the fourth to the sixth grade primary school .

在研究方法方面，采用了多元回归分析以及线性逻辑斯谛克潜在特质模型来了解项目的认知成分及其水平的不同结合对数字系列完成问题试题难度所造成的影响。

In the study , we adopt multiple regression analysis and linear logistic latent trait model to understand how cognitive component and its different level influence the item difficulty of number series completion problem .

这项研究包括了121个孩子，其中大约一般都会讲两种语言。孩子们被要求去完成涉及重复数字系列，心算数学题目，以及重现彩色版块模式的任务。

The study included 121 children , about half of whom were bilingual , who were asked to complete tasks involving repeating number series , solving math problems mentally , and reproducing color block patterns , HealthDay reported .

BZ型CMOS编码数字钟系列的研制

Design and construction of type BZ CMOS digital coding clock series

煤炭矿区光同步数字传输系列通信网

Synchronous Digital Hierarchy Communication Network for Mining Area

新型数字式流量-压力复合阀&数字阀系列报告之二

A new type of digital flow rate pressure multiple valve Report 2 on digital valves

针对现有标准体系缺乏相关数据标准的现状，提出数字社区系列数据标准，包括数据接口层标准、数据分类编码标准、数据模型、数据字典和元数据标准。

The series of data standards involve data interface standard , data classification and coding standard , data model , and metadata standard .

近年来，随着政府部门加快信息化建设的步伐，房地产管理部门的数字房产系列工程也相继展开。

Recently with the development of information industry , series of " digital estate " projects spring up in the Real-estate Administration Bureau .

PDS便携数字存储示波器系列；

Bench digital storage oscilloscope ( PDS series ); Education series digital storage oscilloscope ( EDU series ) .