This paperintroduces an error transmission method for analyzing the error of indirect measurement, and puts forward another analysis method—function increment method.

介绍了对间接测量量进行误差分析的误差传递法，并提出了另一种分析方法——函数增量法。

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The error equation of the trajectory parameters is developed by the relationship of the error transmission function based on the intersection model.

在现有定位模型的基础上，通过函数误差传递关系，推导了弹道参数的误差表达式。

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