最后，作者提出了参数为随机的自由网平差新方法。
Finally, a new method concerning the adjustment of free networks with stochastic parameters is given.
介绍了自由网拟稳平差的一种实用方法在GPS控制网2维约束平差中的应用。
This paper introduces one practical method of free network quasi-stable adjustment applied in 2 dimension constrained adjustment of GPS control network.
本文探讨亏秩自由网的几种常用解法的分区平差原理，提出了几种分区平差方法。
This paper deals with the principles of several solutions used generally in the partitioning adjustment of a free network with rank-defects, and several adjustment methods are suggested.
该方法采用经典自由网平差和坐标转换法实现基于拟稳基准的GPS控制网2维约束平差。
This method realizes the 2 dimension constrained adjustment of GPS control network based on quasi-stable datum using classical adjustment of free networks and coordinate transformation method.
通过与自由网平差结果对比表明，两种平差计算得到的单位权中误差相差不大，近似相等。
Compare to the free net adjustment result, these two unit weighted errors are closely approximated.
对没有固定基准的自由网，位移矢量是真实位移的有偏估值，有时精度最高的地方发现变形能力并非最强。
The displacement vector is biased estimated values, and sometimes, the area where the measuring accuracy is the highest could not have the best ability to detect the deformation.
根据测区铜矿与基性岩体密切相关的特征，结合区内成矿地质环境和特殊的地形条件，沿沟谷和平缓山脊，采用自由网形式，进行了地面高精度磁测。
Based on the metallogenetic environment and the special landform of this area, high-precision magnetic surveying was performed along valleys and rolling ridges at random networks.
根据测区铜矿与基性岩体密切相关的特征，结合区内成矿地质环境和特殊的地形条件，沿沟谷和平缓山脊，采用自由网形式，进行了地面高精度磁测。
Based on the metallogenetic environment and the special landform of this area, high-precision magnetic surveying was performed along valleys and rolling ridges at random networks.
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