读取numa文件，得到卫星的经纬高，时间。-read numa

主要包含经纬高信息、北天东坐标系、地心坐标系之间的坐标转换，用labview实现的。(It mainly includes the coordinate transformation between the latitude and longitude information, the North East coordinate system and the geocentric coordinate system. It is realized by LabVIEW)