GPS与地面测量数据的三维联合平差

THE THREE-DIMENSIONAL COMBINEDADJUSTMENT OF GPS AND TERRESTRIALSURVEYING DATA

本文论述了GPS网在国家或局部坐标系中的三维联合平差与约束平差的函数模型与随机模型，讨论了GPS网三维平差中的数据处理过程和某些处理技术，这些都是在GPS网平差中实用的和必不可少的。最后还介绍了根据这一数学模型所研制的平差软件的某些功能和特点。

:In this paper the functional model and stochastic model of the 3-dimensio-nal combined and constraint adjustment of GPS network in a national or regio nal coordinate system have been put forward. Besides , some data processing techniques in the above adjustment have also been discussed, which are impor tant and useful for a practical 3-D adjustment of GPS network. Finally, the main functions and specials of the adjustment software' developed according to the mathematical models and processing techiques put forward in this paper has been introduced.