GPS定位原理与应用(16)

GPS定位原理与应用

Satellite Constellation 6 orbits, each satellites takes 12 hours to go around the Earth once. 4 or more satellites in each orbit Orbits evenly spread and positioned around the Earth, so that we can receive signals from six of them nearly 100 percent of the time at nay point on EarthChen xiandong, Xi’an university of science and technology

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