| 卫星轨道标准化及其算法实现 |
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| 引用本文： | 陈春花,高成发.卫星轨道标准化及其算法实现[J].现代测绘,2008,31(3). |
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| 作者姓名： | 陈春花 高成发 |
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| 作者单位： | 东南大学,交通学院,江苏,南京,210096 |
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| 摘 要： | 在GPS定位中需要不断地计算卫星的坐标,实时的卫星坐标是根据接收到的广播星历来计算的,而每次计算卫星坐标都需要占用大量内存,影响计算速度。根据GPS卫星轨道标准化的必要性及要求,本文简要介绍了轨道标准化的原理和算法,并通过实例分析了利用切比雪夫多项式进行GPS卫星轨道标准化的精度,拟合时间间隔及节点数选取等问题,得出了一些有益的结论。
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| 关 键 词： | GPS 切比雪夫多项式 轨道标准化 |
The Algorithm Implementation of Standardization of Orbitsof GPS Satellites |
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| Chen Chunhua,Gao Chengfa.The Algorithm Implementation of Standardization of Orbitsof GPS Satellites[J].Modern Surveying and Mapping,2008,31(3). |
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| Authors: | Chen Chunhua Gao Chengfa |
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| Abstract: | It is necessary to get satellite coordinates continually in GPS positioning.Real time satellite coordinates can be gained according to broadcast ephemeris received,but this process need a great deal of memory.According to the necessity and requirements for the standardization of orbits of GPS satellites,this paper briefly introduced the Principle and algorithm of Standardization;analyzed problems such as accuracy,rational time interval in the standardization by giving examples and gained some useful conclusions. |
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| Keywords: | GPS Chebyshev polynomial the standardization of orbits |
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