该程序主要用于rinex3版本的文件读取，其中需要做一些更改，详细见代码上注释，最终获得的结果是双频观测中的两个载波相位及其对应的伪距值，看不懂的可以私聊我，看到的话会回复

rinex3.03格式说明文档，标准格式

RINEX3.03官方协议

RINEX3.03格式说明 The first proposal for the Receiver Independent Exchange Format RINEX was developed by the Astronomical Institute of the University of Bern for the easy exchange of the Global Positioning System (GPS) data to be collected during the first large European GPS campaign EUREF 89, which involved more than 60 GPS receivers of 4 different manufacturers.