本文介绍利用子午卫星的广播星历表计算卫星坐标和速度的两种方法。
In this paper, we describe two methods for computing the coordinates and velocities of satellites by using the broadcast ephemeris of the "transit" satellites.
利用切比雪夫多项式拟合广播星历的卫星坐标，以实现卫星轨道的标准化。
The Chebyshev polynomial was applied to fit satellite coordinates of the broadcast ephemeris to realize satellite orbit standardization.
卫星坐标的计算是GPS数据处理的一个基本步骤，影响着GPS数据处理的效率。
Calculating coordinates of satellite is a basic step in GPS data process and effects the efficiency of GPS data process.
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