The Helmert variance component estimation formula.
赫尔默特方差分量估计公式。
Further Broof on the Equivalence of the Formulas of Variance-covariance Component Estimation.
方差-协方差分量估计公式等价性的进一步证明。
With two types of observations, using Helmert variance component estimation, it can improve adjustment precision through multiple iterations.
并对两类观测值，利用赫尔默特方差分量估计，通过多次迭代计算，提高平差精度。
The program can conduct rigorous adjustment and variance component estimation on all kinds of control networks and output all kinds of information after adjustment.
本程序能对各种类型的控制网进行严密平差及方差分量估计，并输出平差后的各种信息。
In order to obtain the optimal parameter estimates and reasonable accuracy evaluation should use Helmert variance component estimation method to deal with the combined adjustment.
为了得到参数的最优估计和合理的精度评定，应利用赫尔默特方差分量估计法进行联合平差处理。
In this paper, the robust variance component estimation is introduced into the satellite orbit determination to resist the effects of outlying observations and to determine the weights.
针对卫星精密定轨过程中观测资料存在粗差以及观测资料的合理定权问题，将抗差方差分量估计引入到卫星精密定轨中。
This paper will focus on the impact of estimation variance on the measurement and control component of governance.
本文将关注估算对管理的度量及控制部件的偏差的影响。
This paper will focus on the impact of estimation variance on the measurement and control component of governance.
本文将关注估算对管理的度量及控制部件的偏差的影响。
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