电力系统铷原子频标单元的设计与实现  

Design and Implementation of Rubidium Atom Frequency Unit for Power System

作　　者：黄杰[1] 丁鼎[1] 李万林[2] 何迎利[1] 焦群[1] 

机构地区：[1]国网电力科学研究院信通公司,江苏南京211100 [2]解放军理工大学通信工程学院,江苏南京210007

出　　处：《电力系统通信》2011年第2期30-34,共5页Telecommunications for Electric Power System

基　　金：国家电网公司科学技术项目(SG08030-XT)

摘　　要：铷原子频标单元为电力通信网络提供高精度的时钟信号,并可以根据需求同步到更高级别时间中心。通过与来自于更高级别时间中心的标准时间信号进行比较,铷原子频标单元完成系统频率的选择、本秒和外部秒相位的测量、铷原子振荡器的调频、时间报文的接收和发送、时差报文的接收和大相位跳变的处理等多种功能,为电力通信网络提供高精度的时间信号、频率信号及时间报文信号。The Rubidium atom frequency unit provides high accuracy clock signal for power communication network.The clock signal can be synchronized to superior clock center according to requirements.By comparing with the input clock signal from superior clock center,the Rubidium atoms frequency unit can do the following works： selects frequency,phase measurement between input and local second pulse,adjusting frequency of the Rubidium atom oscillator,receiving and sending the time messages,calculating the time difference and dealing with the sudden change of phase.It provides high-accuracy clock signals,frequency signals and time messages for power communication network.

关 键 词：铷原子频标单元 大相位跳变 调频 调相 时间报文 

分 类 号：TN919.34[电子电信—通信与信息系统]