一种基于天线动的多路径错误取消方法
Jiyang Liu1,2, Feixue Wang3,4, Xiaomei Tang1,2
1College of Electronic Science and Technology, National University of Defense Technology, Changsha, China.
Communications engineering
|February 7, 2025
概括
这项研究引入了天线动来取消全球导航卫星系统多路径错误,提高定位精度. 这种具有成本效益的方法可以在各种环境中提高卫星导航系统的性能.
科学领域:
- 导航系统工程 导航系统工程
- 信号处理 信号处理
- 地理学工程 工程地质学
背景情况:
- 全球导航卫星系统 (GNSS) 信号存在多路径错误,降低定位准确度.
- 现有的多路径缓解技术在各种环境条件下往往缺乏稳定性.
研究的目的:
- 提出和验证一种使用天线动的新型多路径错误取消方法.
- 评估拟议技术的有效性和环境适用性.
主要方法:
- 开发了一种利用天线动来改变信号相的多路径错误取消技术.
- 结合理论建模和实验验证来确定最佳的动参数.
- 在中国长沙,使用车载天线进行了广泛的实地测试.
主要成果:
- 天线动方法有效地减轻多路径错误,而无需修改接收器.
- 与传统方法相比,在各种环境中展示了增强的稳定性和适用性.
- 实现了与使用廉价车载天线的高成本系统相提并论的定位精度.
结论:
- 天线动为GNSS多路径误差缓解提供了一个可行的和可访问的解决方案.
- 拟议的方法大大提高了定位准确性,并扩大了GNSS技术的适用性.
- 这项创新通过降低硬件成本,使高精度定位民主化.
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