通过网站下得yuma数据，通过此编码转换，进入matlab，进行运算。注意不能有空行-Yuma data through the web site too, under, through this transcoding into matlab, conduct operations. Note that blank lines can not be

ALMIN Import for Almanac Datafiles almanac=almIN(alm_file) import almanac Files in YUMA-Format. The name of the file can be choosen by naming the File as Input parameter or by choosing the file manually (NO INPUT needed).- ALMIN Import fo

用于读取星历YUMA和生成天顶视图，其中main主文件，希望对GPS差分定位初学者有帮助。(It is used to read ephemeris YUMA and generate zenith view, and main master file, which is helpful for beginners of GPS differential positioning.)