能实现GPS伪距单点定位，包括文件的读写、误差改正、卫星位置、钟差的计算，以及最终伪距定位的实现。误差在10m以内,Can achieve single-point pseudorange GPS positioning, including reading and writing files, error correction, satellite position, clock bad calculation, and finally achieve pseudorange position

航空客运订票系统--数据结构课程设计：订票 排队 退票 读写文件-Passenger reservation system- Data Structure Course Design: Refund read and write files line booking