倾斜地球同步轨道SAR卫星星载GNSS定轨分析
P228; 随着高轨卫星的广泛应用,其轨道精度需求越来越高.本文基于星载GNSS测量,仿真分析了位于倾斜地球同步轨道的SAR卫星定轨精度.结果表明,在满足信号可见性的条件下,IGSO卫星可见GPS+BDS导航星数平均约20颗,PDOP值在1～2之间;利用星载GNSS伪距/载波相位测量值可以得到优于1 m的高轨SAR卫星定轨精度,高阶勒让德误差波动小于10 mm;太阳辐射压摄动对轨道影响较大,10-8m·s-2量级的模型误差最大可使定轨精度降低一个量级....
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| Published in | 测绘学报 Vol. 53; no. 12; pp. 2305 - 2315 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国科学院大学天文与空间科学学院,北京 100049
01.01.2025
上海市空间导航与定位技术重点实验室,上海 200030 中国科学院行星科学重点实验室,上海 200030 中国科学院大学天文与空间科学学院,北京 100049%中国空间技术研究院遥感卫星总体部,北京 100094%航天恒星科技有限公司,北京 100000%北京空间飞行器总体设计部,北京 100094%中国科学院上海天文台,上海 200030 中国科学院上海天文台,上海 200030 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-1595 |
| DOI | 10.11947/j.AGCS.2024.20230176 |
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| Abstract | P228; 随着高轨卫星的广泛应用,其轨道精度需求越来越高.本文基于星载GNSS测量,仿真分析了位于倾斜地球同步轨道的SAR卫星定轨精度.结果表明,在满足信号可见性的条件下,IGSO卫星可见GPS+BDS导航星数平均约20颗,PDOP值在1～2之间;利用星载GNSS伪距/载波相位测量值可以得到优于1 m的高轨SAR卫星定轨精度,高阶勒让德误差波动小于10 mm;太阳辐射压摄动对轨道影响较大,10-8m·s-2量级的模型误差最大可使定轨精度降低一个量级. |
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| AbstractList | P228; 随着高轨卫星的广泛应用,其轨道精度需求越来越高.本文基于星载GNSS测量,仿真分析了位于倾斜地球同步轨道的SAR卫星定轨精度.结果表明,在满足信号可见性的条件下,IGSO卫星可见GPS+BDS导航星数平均约20颗,PDOP值在1～2之间;利用星载GNSS伪距/载波相位测量值可以得到优于1 m的高轨SAR卫星定轨精度,高阶勒让德误差波动小于10 mm;太阳辐射压摄动对轨道影响较大,10-8m·s-2量级的模型误差最大可使定轨精度降低一个量级. |
| Abstract_FL | With the widespread application of high orbit satellites,the demand for their orbital accuracy is becoming increasing-ly high.Based on the spaceborne GNSS(global navigation satellite system)data,we simulate an inclined geosynchronous SAR satellite,and analyze the orbit determination accuracy.The results show that the high sensitivity onboard receiver can obtain the signal of about 20 satellites which include GPS and BDS,with PDOP(position dilution of precision)values ranging from 1 to 2.By using the pseudo range/carrier phase measurement values of spaceborne GNSS data,the orbit determination accuracy of inclined geosynchronous SAR satellites can be better than 1 m,and the fluctuation of high-order Legendre error is less than 10 mm.The perturbation of solar radiation pressure has a significant impact on the orbit,the model error of the 10-8 m·s-2 order can reduce the orbit determination accuracy by one order of magnitude. |
| Author | 黄勇 郑世贵 杨鹏 田晓彬 王振兴 |
| AuthorAffiliation | 中国科学院上海天文台,上海 200030;中国科学院大学天文与空间科学学院,北京 100049%中国空间技术研究院遥感卫星总体部,北京 100094%航天恒星科技有限公司,北京 100000%北京空间飞行器总体设计部,北京 100094%中国科学院上海天文台,上海 200030;中国科学院大学天文与空间科学学院,北京 100049;上海市空间导航与定位技术重点实验室,上海 200030;中国科学院行星科学重点实验室,上海 200030 |
| AuthorAffiliation_xml | – name: 中国科学院上海天文台,上海 200030;中国科学院大学天文与空间科学学院,北京 100049%中国空间技术研究院遥感卫星总体部,北京 100094%航天恒星科技有限公司,北京 100000%北京空间飞行器总体设计部,北京 100094%中国科学院上海天文台,上海 200030;中国科学院大学天文与空间科学学院,北京 100049;上海市空间导航与定位技术重点实验室,上海 200030;中国科学院行星科学重点实验室,上海 200030 |
| Author_FL | YANG Peng WANG Zhenxing TIAN Xiaobin HUANG Yong ZHENG Shigui |
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| DocumentTitle_FL | Analysis of orbit determination for inclined geosynchronous SAR using spaceborne GNSS data |
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| Keywords | SAR卫星 spaceborne GNSS IGSO SAR satellite 高轨卫星 星载GNSS 精密定轨 precise orbit determination high-orbit satellite |
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| Snippet | P228; 随着高轨卫星的广泛应用,其轨道精度需求越来越高.本文基于星载GNSS测量,仿真分析了位于倾斜地球同步轨道的SAR卫星定轨精度.结果表明,在满足信号可见性的条件下,IGSO... |
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| Title | 倾斜地球同步轨道SAR卫星星载GNSS定轨分析 |
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