An introduction is Made of the method of using the weight of probability density function of error distribution law to conduct anti-error estimation.

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。

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The equivalent weight function in robust estimation is usually constructed by the statistics of normal distribution. The critical values are often fixed by experience.

抗差估计等价权函数一般由正态分布统计量构造，其临界值（或称准则）一般由实际经验确定。

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