一种用于网络同步的授时时统设计与实现  

Design and Implementation on a Timing and Time Uniform System Applied in Network Synchronization

作　　者：戎强[1] 王铮[1] 韩华[1] 

机构地区：[1]中国电子科技集团公司第五十四研究所,河北石家庄050081

出　　处：《计算机与网络》2014年第14期55-58,共4页Computer & Network

摘　　要：针对众多领域的网络用户在组网时对高精度时间同步的需求,介绍了授时时统以及B码、NTP、PTP的基本原理,设计实现了一种用于网络时间同步的授时时统,并利用专业测试仪器完成了授时精度实验验证。实验结果表明:授时时统具有毫秒级到纳秒级的授时精度,可以为网络用户提供B码、NTP、PTP等高精度的授时服务,特别为距离较远的分布式用户提供了实现远程组网时间同步的可行手段。Aiming at the requirements of network user in many fields for high precision time synchronization in networking, the principles of tinting and time uniform, B code, NTP and PTP are introduced. A timing and time unifonn system is designed and implemented, and the timing precision experiments are implemented with the professional test apparatuses. The experiment results show that the timing and time tmifonn system has the timing accuracy from milliseconds to nanoseconds, can provide high-precision tinting services to network users such as B code, NTP and PTP, and especially provides a feasible means for realizing remote networking time synchronization for the long-distance distributed users.

关 键 词：授时时统 B码 NTP PTP 

分 类 号：P127.1[天文地球—天体测量]