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关闭部分导航信号实现区域定位阻断对全球定位性能的影响分析
引用本文:彭竞,聂俊伟,王飞雪.关闭部分导航信号实现区域定位阻断对全球定位性能的影响分析[J].中国科学:物理学 力学 天文学,2011(5):547-555.
作者姓名:彭竞  聂俊伟  王飞雪
作者单位:国防科技大学电子科学与工程学院卫星导航研发中心;
摘    要:在导航战中,可采用关闭己方部分卫星信号的方法或对己方卫星信号实施干扰的方法在区域范围内(如战区内)阻止对方单独使用己方的卫星导航定位系统进行定位服务.文中以关闭部分GPS卫星信号来阻止目标点定位为例,描述了关闭部分导航信号实现区域定位阻断的方法及仿真流程,定义了导航定位性能评估方法以及一种基于不可定位区域最小准则的导航信号关闭策略,并就关闭部分卫星信号实现区域定位阻断对全球定位授时性能产生的影响进行了分析讨论.仿真结果表明,关闭部分卫星信号阻止目标点使用定位服务,会导致全球49%以上地区的用户无法使用普通民用定位服务,并使全球民用用户的定位可用性受到一定影响.本文分析结果可为我国未来的卫星导航系统的民用信号反利用以及系统安全策略提供理论支撑.

关 键 词:卫星导航系统  导航战  GDOP  部分导航信号关闭  区域定位阻断  

An analysis of the performance of global positioning service affected by partially turning off navigation signals for preventing positioning in local area
PENG Jing,NIE JunWei & WANG FeiXue Satellite Navigation R&D Center,School of Electronic Science , Engineering,National University of Defense Technology,Changsha ,China.An analysis of the performance of global positioning service affected by partially turning off navigation signals for preventing positioning in local area[J].Scientia Sinica Pysica,Mechanica & Astronomica,2011(5):547-555.
Authors:PENG Jing  NIE JunWei & WANG FeiXue Satellite Navigation R&D Center  School of Electronic Science  Engineering  National University of Defense Technology  Changsha  China
Institution:PENG Jing,NIE JunWei & WANG FeiXue Satellite Navigation R&D Center,School of Electronic Science and Engineering,National University of Defense Technology,Changsha 410073,China
Abstract:In the navigation war,the aim of preventing the adversaries to make use of friendly civilian positioning service in local area (e.g.battle field) can be achieved by turning off the civil signals partially and jamming.This paper focuses on the former methodology.Take the turnoff of partial civil signals of GPS system to prevent the positioning service at a specific site as an example,this paper presents the methodology and simulation process of turning off the civil signal,and defines the evaluation method o...
Keywords:satellite navigation systems  navigation war  GDOP  partially turning off the navigation signal  prevention of positioning service in local area  
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