... satellite planning data 卫星预报数 satellite position 卫星位置 satellite positioning and tracking 人造卫星定位与跟踪 ...
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4、The difference of new GPS civil navigation (CNAV) broadcasting ephemeris and old GPS civil navigation (NAV) broadcasting ephemeris is studied. We also introduces the algorithm of calculating the satellite position according to CNAV broadcasting ephemeris.
4、研究了新的GPS民用导航电文(CNAV)与旧的GPS民用导航电文(NAV)的卫星广播星历不同之处及利用新的GPS民用导航电文卫星广播星历计算卫星位置算法。
参考来源 - GPS广播星历及其精度评估研究·2,447,543篇论文数据，部分数据来源于NoteExpress
相对地球表面而言，这颗卫星位置固定。
The satellite remains in one spot relative to the earth's surface.
GPS卫星位置计算是进行GPS导航定位的关键环节，快速准确地计算出卫星坐标，对提高GPS定位精度和速度有着重要意义。
GPS satellite position calculation is the key link of GPS navigation and positioning, calculating satellite coordinates quickly and accurately is important to improve positioning speed and precision.
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