三维网平差的方差分量估计
Variance Components Estimate in Three Dimension Network Adjustment
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摘要: 本文将方差分量估计理论运用于三维网平差中,推导出了含定向角未知数及消去定向角未知数的方差分量估计公式,并进行了模拟和实例计算,从而建立了合理的三维网平差随机模型。Abstract: In this paper,we are using the theories of variance components estimate in 3-D(three dimension) network adjustment,deriving the formules of variance components estimate which the orientation angular unknowns are involved or eliminated,in order to set up the random models of 3-D network adjustment.
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