摘要
本文从二次型的期望公式出发,推导了经典最小二乘平差、最小二乘滤波、最小二乘推估和最小二乘配置的验后单位权方差的估计公式。
The least-squares filtering, prediction and collocation are expressed as a unified least squares problem. The variances with its unit weight are generally derived.
出处
《测绘科学与工程》
2006年第1期29-31,40,共4页
Geomatics Science and Engineering
关键词
最小二乘平差
最小二乘滤波与推估
最小二乘配置
单位权方差
least-squares adjustment
least squares filtering and prediction
least-squares collocation
variance of unit weight