Helmert方差分量估计理论的优化及其在形变监测网中的应用

基金项目: 武汉市科技局重大工程灾害监测资助项目(200760323113)

详细信息

Theory's Optimization of Helmert Variance Component Estination and Its Application to Deformation Monitoring Network

¹ School of Geodesy and Geomatics,Wuhan University,129 Luoyu Road,Wuhan 430079,China

Funds: 武汉市科技局重大工程灾害监测资助项目(200760323113)

摘要: 将Helmert方差分量估计理论进行优化后应用到形变监测网的数据处理中,使观测数据的权值更加合理,平差结果精度更高,更好地满足形变监测数据处理的要求。实例论证了优化后的Helmert方差分量估计方法的有效性。
- Helmert方差分量估计 /
- 优化 /
- 形变监测网 /
- 精度估计 /
- 平差
Abstract: As one method of the confirming weight newly to gain the best weight,Helmert variance component estination in used in many fields.In this paper,Optimized Helmert variance component estination is used in the deformation monitoring network,which makes the confirming weight more reasonable,and the adjusted value's precision much higher.It demonstrates the effectivity of Optimized Helmert variance component estination.
- Helmert variance component estination /
- optimization /
- deformation monitoring network /
- precision estimation /
- adjustment