解算GPS接收机坐标

使用程序前需要先解压观测文件压缩包至项目文件夹

本程序使用Klobuchar模型对电离层延迟进行修正，同时使用的截止高度角为30°，检查可用卫星数如果小于8颗则跳过解算当前时间点

最终计算结果为程序计算的两接收机之间的基线长度与真实基线长度间的相对误差，并绘图输出为SVG文件

Name		Name	Last commit message	Last commit date
Latest commit History 5 Commits
Accurate Solution of Navigation Equations in GPS Receivers for Very High Velocities Using Pseudorange Measurements.pdf		Accurate Solution of Navigation Equations in GPS Receivers for Very High Velocities Using Pseudorange Measurements.pdf
Error_Ratios.svg		Error_Ratios.svg
Ionospheric Time-Delay Algorithms for Single-Frequency GPS Users.pdf		Ionospheric Time-Delay Algorithms for Single-Frequency GPS Users.pdf
LICENSE		LICENSE
README.md		README.md
brdc1660.21n		brdc1660.21n
cal_Elevation_Zenith_Angle.py		cal_Elevation_Zenith_Angle.py
cal_ION_delay.py		cal_ION_delay.py
cal_recv_location.py		cal_recv_location.py
main.py		main.py
read_broadcast.py		read_broadcast.py
read_observation.py		read_observation.py
rinex302.pdf		rinex302.pdf
visible_satellite_position.txt		visible_satellite_position.txt
观测文件.7z		观测文件.7z

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