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| 方差-协方差-分量估计 | |
| 引用本文： | 张宝庭. 方差-协方差-分量估计[J]. 武汉大学学报 ( 信息科学版),1982,7(1): 42-57. |
| 作者姓名： | 张宝庭 |
| 摘 要： | 本文从间接平差出发推导了含有检验矩阵的方差-协方差-分量估计的特征方程,并详细讨论了估值的统计特性。作为协方差估计的特例,对方差估计的若干公式进行了探讨,指出了它们之间的相互联系及各自的统计特性。最后给出了适合条件平差的方羞-协方差-分量估计公式。 |
About the Variance-Covariance-Component Estimation |
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| Zhang Baoting. About the Variance-Covariance-Component Estimation[J]. Geomatics and Information Science of Wuhan University,1982,7(1): 42-57. | |
| Authors: | Zhang Baoting |
| Abstract: | Based upon the least square adjustment of indirect observations a characteristic equation of the variance-covariance-component estimation including a test matrix has been derived.The statistical features of the estimator are discussed in detail.As an example of covariance estimation,some formulas of variance estimation are studied,and their mutual relationships and statistical features are pointed out.Finally,a formula of variance-covariance-component estimation for the adjustment of conditional observation is given. |
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