网同步技术是数字通信系统的关键技术之一，网同步时钟是网同步技术的关键设备。
The network synchronization is one of the key technologies for digital communication and the clock is the most important equipment in the network synchronization.
论文着重介绍了主时钟以及相关同步设备精度的主要测试方法。
This article lays its stress on the main testing methods of the precision of master clock and the relevant synchronous equipment.
时钟同步是数字设备协调无误运行的前提条件。
Clock synchronization is the precondition for digital equipment to work in harmoniously.
电信网管中的时钟服务对时钟的精度要求不是很高，但是要考虑既要和本地的操作系统时间无关，又要考虑同步时钟服务器和同步不同类型的设备二种情况。
It is unstrict with precise in LAN for TMN, but it should have no connection with local OS time, and can synchronize to time server and different devices.
该设备基于AT 89c51，采用软件抗干扰技术，实现授时主系统时钟与中心UT C主钟的同步。
Adopting software anti-jamming technology, this instrument is based on AT89C51 to achieve the synchronization of the clock of time service system with UTC.
在此基础上，采用基于NTP技术的同步方案实现系统中各设备时钟的同步。
And also the synchronization scheme based on NTP technology is used to fulfill the clock synchronization for all equipments in the system.
选用GN-80型GPS接收设备和单片微机进行电力系统状态变量同步采集终端的硬件设计，利用GPS的精确授时作为其同步时钟控制采样脉冲来实现同步采样。
This thesis selects model GN-80 GPS receiver and SCM to design the sampling device. The high accurate time service is used to synchronize the sample clock signal to realize synchronous sampling.
选用GN-80型GPS接收设备和单片微机进行电力系统状态变量同步采集终端的硬件设计，利用GPS的精确授时作为其同步时钟控制采样脉冲来实现同步采样。
This thesis selects model GN-80 GPS receiver and SCM to design the sampling device. The high accurate time service is used to synchronize the sample clock signal to realize synchronous sampling.
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