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基于滤波及起算数据误差的验后估计法

Filtering based on a posterori estimation in consideration of errors of initial data
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摘要 针对起算数据具有误差时现有处理方法的缺陷,巧妙地利用了真值和估值之间的关系处理起算数据误差,提出了基于滤波的顾及起算数据误差的验后估计法,剔除了起算数据误差的影响,得出相对于起算数据误差基准的平差结果。平差计算与随机模型的验后估计同时进行,使数据处理得更加完善。 In consideration of the deficiencies of the current processing method for initial data with errors, by clever using the relationship between true value and estimated value to deal with the initial data errors, the method based on filter and in consideration of initial data errors, a posteriori estimation is provided. The adjustment results are based on the initial datum after rejecting the initial data errors. Adjustment and a posteriori estimation carry out at the same time. So as to ensure the data processing more comprehensively.
出处 《东北测绘》 2000年第1期6-8,共3页 Northeast Surveying and Mapping
关键词 起算数据 滤波 验后估计 单位权方差 协方差 广义最小二乘平差 真值 估值 filtering a posteriori estimation variance of unit weight covariance generalized least squares adjustment true value
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参考文献2

  • 1姚琪.顾及起始数据误差的精度估算及与整体平差后精度的比较[J].武测学报,1986,(2).
  • 2於宗俦 鲁林成.测量平差基础[M].北京:测绘出版社,1983..

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