海上舰艇编队高精度时间同步系统设计  

A high precision time synchronization system design for naval formation

作　　者：刘鹏[1] 陈颖[1] 郭晓利[1] 

机构地区：[1]中国舰船研究院,北京100192

出　　处：《舰船科学技术》2011年第6期46-50,65,共6页Ship Science and Technology

摘　　要：针对舰艇编队遂行协同打击任务的高精度时统需求,提出一种超宽带CDMA体制的时统系统设计方案。该系统应用TOA算法,基于超宽带高时间分辨率波形设计,采用可靠同步、干扰抑制和FFT校频等关键算法,实现复杂电磁环境下作战节点快速移动中可靠高精度时间统一,时间同步精度达10 ns。关键算法仿真和试验样机测试证明该系统设计和关键算法合理有效。Aiming at the high precision time synchronization demand of naval formation execute operational cooperative attack,the article presents a design for time synchronization system,based on UWB CDMA technology.The system employ TOA algorism,high definition wave design,robust synchronization technology,and FFT frequency correcting technology,achieve reliable time synchronization in war-field complex electromagnetic environment.The time synchronization precision performance is higher than 10 ns.According to the simulation results,it has been proved assuredly that the proposed design and key algorithms are effective and has good performance.

关 键 词：时统 同步 TOA CDMA 

分 类 号：TN914.53[电子电信—通信与信息系统]