Orbital mechanics with the Global Positioning System

IF 0.8 4区 教育学 Q3 EDUCATION, SCIENTIFIC DISCIPLINES
William H. Baird, Kelly R. Patton
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引用次数: 0

Abstract

The recent availability of relatively inexpensive dual-frequency receivers for signals from Global Navigation Satellite Systems (GNSS) provides access to ultra-precise, real-time data such as positions and velocities of dozens of satellites orbiting the Earth. We discuss how these data can be obtained, processed, and analyzed either with or without the actual purchase of a GNSS receiver. The positional information can be used to verify Kepler's three laws at lowest order as well as to reveal the presence of higher-order perturbations such as the oblateness of the Earth and the gravitational influences of the Sun and Moon on these satellites. The supplementary material includes both introductory laboratory exercises and Python scripts used to gather and process data suitable for intermediate courses.
使用全球定位系统的轨道力学
最近,全球导航卫星系统(GNSS)信号双频接收器的价格相对低廉,可以获取超精确的实时数据,如数十颗绕地球轨道运行的卫星的位置和速度。我们将讨论如何在实际购买或不购买全球导航卫星系统接收器的情况下获取、处理和分析这些数据。位置信息可用于验证开普勒三定律的最低阶,以及揭示高阶扰动的存在,如地球的扁平化以及太阳和月球对这些卫星的引力影响。补充材料包括入门实验练习和用于收集和处理数据的 Python 脚本,适合中级课程使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
American Journal of Physics
American Journal of Physics 物理-物理:综合
CiteScore
1.80
自引率
11.10%
发文量
146
审稿时长
3 months
期刊介绍: The mission of the American Journal of Physics (AJP) is to publish articles on the educational and cultural aspects of physics that are useful, interesting, and accessible to a diverse audience of physics students, educators, and researchers. Our audience generally reads outside their specialties to broaden their understanding of physics and to expand and enhance their pedagogical toolkits at the undergraduate and graduate levels.
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