文中主要介绍了利用误差分布律概率密度函数定权来进行抗差估计的一种方法。
An introduction is Made of the method of using the weight of probability density function of error distribution law to conduct anti-error estimation.
根据形状误差的评定模型，研究了形状误差的概率分布类型，并据此对形状误差的测量结果不确定度进行估计。
According to the evaluation models of form error, the probability distribution types of form error are researched, and the uncertainty of measurement result of form error is estimated with them.
该方法同时还给出了权值估计的后验概率密度和误差条，从而获得权值最优值的不确定性测量。
Simultaneously, this method provides the posterior probability density and the error bars of estimated weights, which deduces the uncertainty of reconstruction.
最后在对所搜索到的滑移路径进行统计拟合处理的基础上，给出了期望滑移路径及平均偏差在概率意义下的误差估计。
Finally, the expected slide path based on searched slide paths, the deviation estimation in the sense of probability, and some numerical results are shown.
首先，对于定点计算机上四元数计算的舍入误差建立了概率模型，然后对舍入误差进行概率估计。
First, the probabilistic model of the rounding error in the computation of quaternions on a fixed point computer is established. Then, the probabilistic rounding error estimates are computed.
首先，对于定点计算机上四元数计算的舍入误差建立了概率模型，然后对舍入误差进行概率估计。
First, the probabilistic model of the rounding error in the computation of quaternions on a fixed point computer is established. Then, the probabilistic rounding error estimates are computed.
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