GPS水准、天文重力水准与重力大地水准面多种数据联合处理的研究

基金项目: 国家测绘局"八五"重点科技攻关及香港理工大学资助项目,编号C85-04-03-03及350/389。

详细信息

A Study of Combined Data Processing with GPS Leveling, Astrogravimetric Leveling and Gravimetric Geoid

Dept. of Land Surveying and Geo informatics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong

摘要: 针对我国大地水准面的研究状况,提出了在国家GPSB级网完成之后,利用GPS水准、天文重力水准与重力大地水准面3类数据确定我国高精度大地水准面的理论和方法。分析了3类数据的误差传播规律,给出了联合平差模型,并用一模拟网进行了试算。
- 大地水准面 /
- GPS水准 /
- 天文重力水准 /
- 重力大地水准面数据联合处理
Abstract: According to the situation of geoid stydies in China,this paper presents a theory and method for determination of high accuracy geoid of China by using the three types of data,i.e.GPS leveling,astrogravimetric leveling and gravimetric geoid,after the completion of national B class GPS network.The error propagation rules of the data are analyzed, and the models for combined adjustment are given.Finaly,a computation demonstration is presented using a simulative network.
- geoid /
- GPS leveling /
- astrogravimetric leveling /
- gravimetric geoid combined data processing