原始数据文件 meaning in Chinese

raw data file

Illuminating the component of gps network system and relative technology ; 2 . taking the ashtech gps for example . and starting from real transporting gps primary data , this paper analyses the code of gps primary data files and realizes the real communication between gps receiver and computer under vc + + platform ; 3
从gps原始数据的实时传输入手，以ashtech型gps接收机为例，详细研究、分析了gps原始数据文件的解码，并在vc + +平台下实现了gps接收机与计算机的实时通信； 3