一种基于卡尔曼滤波算法的高精度时间频率同步器研制  

Development of a high-precision time synchronizer based on Kalman filtering algorithm

作　　者：赵越 华宇[1,2] 金晓臻[1,2] ZHAO Yue;HUA Yu;JIN Xiao-zhen(National Time Service Center,Chinese Academy of Sciences,Xi'an 710600,China;Key Laboratory of Precise Positioning and Timing Technology,Chinese Academy of Sciences,Xi'an 710600,China;University of Chinese Academy of Sciences,Beijing 100049,China)

机构地区：[1]中国科学院国家授时中心,西安710600 [2]中国科学院精密导航定位与定时技术重点实验室,西安710600 [3]中国科学院大学,北京100049

出　　处：《时间频率学报》2018年第4期326-331,共6页Journal of Time and Frequency

摘　　要：针对移动通信网络基站间需要建立高精度时间同步的需求,设计并实现了一种基于FPGA(field programmable gate array)与ARM(advanced RISC machines)的高精度时间同步器,并以3台时间同步器互相对比进行测试,功能实现较好。Aim at the need of high precision time synchronization among the base stations of mobile communication network,a high precision time-synchronization device based on FPGA and ARM is designed.Three time synchronizers are tested and compared with each other,all the functions are well realized.

关 键 词：直接数字频率合成 现场可编程门阵列 高级精简指令集机器 时间同步 

分 类 号：P127.1[天文地球—天体测量]