| GLONASS卫星位置的动力学改进算法 |
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| 引用本文： | 陈刘成,韩春好,唐波.GLONASS卫星位置的动力学改进算法[J].测绘科学,2007,32(4):8-9,31. |
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| 作者姓名： | 陈刘成 韩春好 唐波 |
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| 作者单位： | 北京环球信息应用开发中心,北京,100094;北京环球信息应用开发中心,北京,100094;北京环球信息应用开发中心,北京,100094 |
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| 摘 要： | 为了减弱由于广播星历拟合引起的误差,本文提出了一种基于动力学轨道改进的GLONASS卫星位置算法。该算法仅采用GLONASS广播星历信息就能够提高GLONASS卫星位置坐标的计算精度。算例表明,该方法能够有效减弱GLONASS卫星广播星历的拟合误差,卫星位置的精度损失从0.5m降到mm级;外推2-3h,精度损失也仅在cm级水平。
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| 关 键 词： | GLONASS 星历计算 精密定轨 |
| 文章编号： | 1009-2307（2007）04-0008-03 |
| 修稿时间： | 2006-03-28 |
The improved ephemeris calculation of GLONASS with recovered dynamic orbit |
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| CHEN Liu-cheng,HAN Chun-hao,TANG Bo.The improved ephemeris calculation of GLONASS with recovered dynamic orbit[J].Science of Surveying and Mapping,2007,32(4):8-9,31. |
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| Authors: | CHEN Liu-cheng HAN Chun-hao TANG Bo |
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| Abstract: | A new method of satellite ephemeris calculation for GLONASS is introduced, which is based on dynamic trajectory recovering. More accurate satellite position can be gotten with no other information but the broadcast ephemeris parameters. The given cases show that all the GLONASS broadcast ephemeris' fitting errors are almost eliminated entirely. The imported error of the propagated perturbation orbit is deducted to several millimeters from 0.5 meter. |
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| Keywords: | GLONASS ephemeris calculation precise orbit determination |
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