Substantively to say, the adjustment model of GPS network with apriori constraint is a kind of Least Squares Collocation model.
从最小二乘配置出发，推导了附加先验约束的高精度GPS网平差的参数估计和精度估计公式。
Then, on the basis of least squares collocation, an iterative model is given to dispose the refraction error, and the effect is satisfactory.
在此基础上，利用最小二乘配置原理构造了处理折光误差的迭代平差模型，取得了良好的效果。
Least Squares Collocation is used to educe the function that can directly compute gravitational potential coefficient by satellite gravity gradiometry data.
本文通过空间扰动位协方差函数特性，得出卫星重力梯度数据与引力位系数的相关协方差函数。
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