自适应Kalman滤波的战术数据链自主时间同步算法  

Autonomous Time Synchronization Method in Tactical Data Link Based on Adaptive Kalman Filter

作　　者：顾仁财[1] 刘飞[1] GU Ren-cai;LIU Fei(20th Institute of China Electronics Technology Group Corporation,Xi’an 710068,China)

机构地区：[1]中国电子科技集团公司第二十研究所,西安710068

出　　处：《火力与指挥控制》2019年第2期76-79,共4页Fire Control & Command Control

基　　金：军队"十三五"装备预先研究基金资助项目(41418030201)

摘　　要：分析了战术数据链自主时间同步机制及各类误差源特性,给出了降低时间同步误差源影响的设计途径。针对复杂物理环境下时钟漂移模型难以准确建立的问题,设计了一种基于自适应Kalman滤波的自主时间同步算法,提高了不利条件下数据链的时间同步性能,实验结果证明了所采用方法的有效性。This paper analyzes the mechanism of autonomous time synchronization and the characteristics of various error sources in data link.The design way to reduce the influence of time synchronization error source is given.For clock drift model is difficult to establish under complex physical environment,an adaptive time synchronization filter algorithm is designed,which improves the time synchronization characteristics under adverse conditions,and experimental results demonstrate the effectiveness of the method used in this paper.

关 键 词：战术数据链 时间同步 RTT 自适应滤波 

分 类 号：TN966.4[电子电信—信号与信息处理]