Some Thoughts on Establishment and Maintenance of Terrestrial Reference Frame Considering Non-linear Variation
-
摘要: 介绍了全球及区域参考框架(ITRF)的发展现状,探讨了国际地球参考框架(ITRF)的不足,给出了使用顾及非线性变化的速度模型建立和维持参考框架的思路,并分析了解决不同类型非线性变化的处理方法。在此基础上,探讨了区域参考框架建立与维持的方法。最后展望了全球大地观测系统背景下的未来ITRF发展趋势。Abstract: Because of the mass redistribution of the geophysical fluid loading,obvious non-linear variation exists in most of the global GPS sites(mainly seasonal variations of the vertical component).And its transient motion with respect to the reference frame can not be completely described by a linear velocity.We consider and deal with the non-linear and seasonal variation characteristics of frame sites appropriately,together with combination of the linear velocity model are of great importance in the establishment and maintenance of the dynamic terrestrial reference frame.Firstly,the current status of the global and regional reference frames have been briefly introduced.Then,the disadvantages of the linear ITRF model has been investigated,leading to the thoughts of building velocity model considering different types of non-linear variation,so as to establish and maintain a dynamical reference frame.Based on this,method of regional reference frame establishment and maitenance has been discussed.Finally,we look into the future developments of ITRF under the GGOS background.
-
-
期刊类型引用(9)
1. 陈嘉琦，陈亮，林巍. GNSS钟差估计中的两种测站选取策略分析. 地理空间信息. 2022(11): 64-69 . 
百度学术
2. 刘赞，刘晓鹏，陈西宏，谢泽东，刘强. 对流层散射无源监视系统最优布局方法. 国防科技大学学报. 2021(01): 103-108 . 百度学术
3. 胡超，王中元，王潜心，饶鹏文. 一种改进的BDS-2/BDS-3联合精密定轨系统偏差处理模型. 武汉大学学报(信息科学版). 2021(03): 360-370 . 百度学术
4. 张磊. 基于超精密激光辅助的运动训练图像去噪处理模型研究. 激光杂志. 2021(04): 114-120 . 百度学术
5. 胡超，王潜心，毛亚. 一种基于DOP值的GNSS超快速观测轨道精化模型. 武汉大学学报(信息科学版). 2020(01): 28-37 . 百度学术
6. 杨鸿毅，王潜心，毛亚，胡超，何义磊. BDS-3观测数据质量分析及精密定轨. 导航与控制. 2019(06): 55-61 . 百度学术
7. 毛亚，王潜心，胡超，何义磊. 北斗在轨卫星广播星历精度分析. 宇航学报. 2018(09): 1013-1021 . 百度学术
8. 何颖，马戎，权绎弘，郭强. 标志点定向系统几何精度因子的计算方法. 测控技术. 2018(12): 66-69 . 百度学术
9. 毛亚，王潜心，于伟宣，胡超，张铭彬. 多卫星导航系统钟差解算效率分析. 金属矿山. 2017(10): 59-62 . 百度学术
其他类型引用(11)
计量
- 文章访问数: 1041
- HTML全文浏览量: 59
- PDF下载量: 553
- 被引次数: 20
下载:
