冰大陆之旅:一个全面的GNSS数据集,来自一艘船前往南极洲的探险
Blaž Bertalanič1, Franc Dimc2, Matej Bažec2
1Jožef Stefan Institute, Ljubljana, Slovenia.
Scientific data
|December 3, 2025
概括
这项研究提供了来自南极探险的200天全球导航卫星系统 (GNSS) 数据集. 这些数据可以分析无线电频率干扰和海上应用的弹性定位,导航和定时 (PNT).
科学领域:
- 地质测量和地质数学
- 无线电科学 无线电科学
- 海洋学 海洋学 海洋学
背景情况:
- 全球导航卫星系统 (GNSS) 的性能对于海上运营至关重要.
- 恶劣的海洋环境,包括极地地区,具有独特的挑战,如多路径传播和射频干扰.
- 现有的数据集可能无法完全捕捉GNSS信号接收在动态海上环境中的复杂性.
研究的目的:
- 为了呈现一个独特的200天数据集原始GNSS L1接收器测量从一个研究船在南极探险期间.
- 为了促进GNSS信号在各种海上条件下行为的详细表征.
- 支持开发弹性定位,导航和定时 (PNT) 算法和天线性能分析.
主要方法:
- 收集了超过200天的全球导航卫星系统 (GNSS) 单频L1接收器测量的原始数据.
- 在连续的南极探险 (2024年10月 - 2025年4月) 中使用研究船.
- 将数据组织成每日分割的二进制UBX文件,包括各种观察类型和诊断指标.
主要成果:
- 该数据集包含多星座L1频段观测,卫星元数据,射频诊断,频谱分析 (FFT),伪范围/载波相数据和利略SAR消息.
- 启用了多路径传播,无意干扰和故意干扰在各种海上环境中的特征.
- 提供同步的接收器状态指标和高分辨率的频谱布以进行深入分析.
结论:
- 该数据集对于GNSS性能建模和射频干扰分析具有价值.
- 它有助于在具有挑战性的海洋环境中对天线性能进行表征.
- 促进弹性PNT算法开发和实时动态定位 (RTK) 的基准测试.
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