面向卫星导航反制措施的BDS-3地面部分防御能力的评估方法
Yue Wang1, Fuping Sun1, Xian Wang1
1PLA Strategic Support Force Information Engineering University, Zhengzhou, 450001, China.
Heliyon
|May 21, 2024
概括
全球导航卫星系统 (GNSS) 面临来自干扰的安全挑战. 这项研究开发了一种对地面部分防御能力的评估系统,发现北斗导航卫星系统III (BDS-3) 具有良好的防御能力,但可以提高互操作性.
科学领域:
- 导航系统工程 导航系统工程
- 卫星系统安全 卫星系统安全
- 电磁兼容性 电磁兼容性 电磁兼容性
背景情况:
- 全球导航卫星系统 (GNSS) 容易受到故意干扰和破坏的影响,这挑战了它们的安全应用.
- 评估系统级防御能力对于在对策期间维持GNSS服务和优化决策至关重要.
研究的目的:
- 提出一个评估系统,包括指数和方法,用于GNSS的地面部分防御能力.
- 用北斗卫星导航系统III (BDS-3) 作为案例研究来验证拟议的评估系统.
主要方法:
- 开发了一个评估系统,专注于GNSS地面控制部门的服务性能和站点功能指数.
- 采用北斗卫星导航系统III (BDS-3) 的2022年3月5日至12日的双向观测数据进行方法验证.
- 进行了7次不同干扰强度的损伤实验,以评估定位准确性和错误纠正.
主要成果:
- BDS-3地面站表现出良好的防御能力,定位精度在1米以内,收时间在30分钟以下.
- 发现BDS-3地面部分防御 (14.06%) 略低于GPS (14.43%),而集成的BDS/GPS系统显示出最强的防御 (15.29%).
结论:
- BDS-3地面部分展示了强大的防御能力来抵御干扰.
- 未来对BDS-3的改进应该集中在西半球的地面站开发和加强系统兼容性和互操作性.
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