SDH

This paper analyzed the asynchronous mapping and multiplexing process of E 1 signals in SDH.

本文分析了SDH异步 复用映射模块中E1支路信号异步映射复用的过程.

At present, the main information content in metropolitan transmission network is loaded by SDH.

目前, 城域传送网中主要信息量由SDH承载.

Finally, transition mode from PDH to SDH is discussed.

最后讨论了PDH向SDH过渡的方式.

The activity of SDH, � �-SHDH and ACP increased.

琥珀酸脱氢酶(SDH) 、 β - 羟化甾体脱氢酶(β-SHDH)、酸性磷酸酶(ACP)活性增加.

Multi-Service Transport Platform ( MSTP ) can transport multi-traffic on SDH network.

多业务传输平台 ( MSTP) 的出现使得同步数字体系(SDH ) 网络可以传输多种业务.

Network management is one of the most important parts for Synchronous Digital Hierarchy ( SDH ) networks.

网络管理是同步数字体系 ( SDH ) 网络的重要组成部分.

SDH positive granules and ACP grey level were assayed by MIAS-300 imageanalyser.

使用MIAS-300型图像分析仪分别检测SDH阳性粒子数及ACP酶灰度值变化.

The activity of SDH was divided into 4 scales based on Niles classification.

光镜观察SDH活性参照Niles法分为4级.

The main products are PDH, SDH optical transmission and band data series.

公司主要以PDH 、 SDH光传输和宽带数据等多个系列产品为主.

Because of the complexity of SDH, ASIC is the trend of the evolution.

由于SDH设备 的复杂性, SDH专用集成电路(ASIC) 的设计使用就成为SDH发展 的必然趋势.

This Recommendation also deals with all levels of PDH signals transported within SDH containers.

本建议也涉及在SDH容器中传送的各级PDH信号.

The mapping and multiplexing unit is a very important part of SDH Add _ Multiplexer and Terminal Multiplexer.

映射复用单元是同步数字序列(SDH)分插复用器和终端复用器的关键部分.

SDH has many advantages compared with traditional PDH.

同步数字系列(SDH)比传统的准同步数字系列(PDH)具有许多明显的优点.

This Recommendation provides limits bringing-into-service and maintenance for international SDH paths and international SDH multiplex sections.

本建议提供国际SDH通道和国际SDH复用段的投入业务和维护限值.

This algorithm is modified so that it can deal with routing problem in SDH network dynamically.

引入了图论中的最大容量算法,作了必要的修改,使之适用于SDH光纤网 的规划,并具有一定的动态性.