您要查找的是不是：
- synchronous digital hierarehy 同步数字传输系统
- Synchronous Digital Hierarchy (SDH) has become the primary transmission protocol for most PSTN networks. 同步数字层次结构(SDH)已成为大多数PSTN网络的主要传输协议。
- This Recommendation provides an information model for the Payload Configuration Management of Synchronous Digital Hierarchy (SDH) Networks. 本建议给出了同步数字系列(SDH)网络的净负荷配置管理的信息模型。
- G.823 The Control of Jitter and Wangder Within Digital Networks Which are Based on the Synchronous Digital Hierarchy(SDH)[S]. 陆军;黄进.;电力通信同步网的规划与建设[J]
- This Recommendation provides an information model for the Performance Monitoring of Synchronous Digital hierarchy (SDH) Network. 本建议给出了同步数字系列(SDH)网络的性能监视信息模型。
- This Recommendation addresses management aspects of the synchronous digital hierarchy (SDH), including the control and monitoring functions relevant to SDH network elements (NE). 本建议论述同步数字系列(SDH)管理方面的情况，包括与SDH网络元(NE)相关的控制和检测功能。
- Now we are planning to buy some asynchronous Transfer Mode ( aTM ) and Synchronous Digital Hierarhy (SDH) network equipment from abroad so as to speed up the development of telecommunications of our city. 我们打算进口aTM和SDH网络设备，以加速我市的通信发展。
- Synchronous Digital Hierarchy (SDH) and Synchronous Optical Network (SONET) are now applied worldwide both in carrier backbone networks, by metropolitan service providers and in large scale WANs by end-user organizations. 同步数字体系(SDH)和同步光纤网络(SONET)在世界范围广泛应用于城域主干网,长途通信网和广域网。
- SDH (Synchronous Digital Hierarchy) network is composed of terminal MUX, divarication MUX, REG and SDXC units etc, and they are used in transmission, multiplexing, divarication and cross-connecting of synchro information. 同步数字体系(SDH)网络由终端复用器、分插复用器、再生中继器和同步数字交叉连接设备网络单元组成,进行同步信息传输、复用、分插和交叉连接。
- The traffic grooming and wavelength assignment in unidirectional synchronous digital hierarchy/wavelength division multiplexing (SDH/WDM) rings was formulated as a combinatorial optimization problem. 摘要将单向同步数位系列／波分复用(SDH/WDM)环网络中的波长分配和业务量疏导表述为组合优化问题。
- This Recommendation gives the characteristics of a synchronous digital multiplex equipment, to combine up to 31 tributary channels at 64 kbit/s or n x 64 kbit/s in a 2048 kbit/s digital stream. 本建议给出了一种同步数字复用设备的特性，它能将多达31个64 kbit/s 的支路合并成2048 kbit/s 的数字流。
- SDCCE Synchronous Digital Cross Connect Equipment 同步数字交叉连接设备
- SDIU Synchronous Digital Interface Unit 同步数字接口单元
- SDN Synchronous Digital Transmission Network 同步数字传输网络
- SDXC Synchronous Digital Cross Connect 同步数字交叉连接
- Synchronous digital hierarchy bit rates 同步数字体系的比特率
- SDH (Synchronous Digital Hierarchy) 同步数字序列
- Synchronous Digital Hierarchy (SDH) 同步数字系列
- synchronous digital cross connection equ 同步数字交叉连接设备
- SDH(Synchronous Digital Hierarchy) 同步数字体系
