GPS定位原理与应用
Space Segment Name: NAVSTAR-GPS Manufacturer: Rockwell et al. Altitude: 18,000-3,0000 Km Weight: 520/880/975/1100 Orbital Period: 11:58:00 Orbital Plane: 55 degrees Current Constellation: 31 Block II satellites Block I,Block II,IIA,IIR,IIF
Chen xiandong, Xi’an university of science and technology