Based on the Geometric Dilution of Precision(GDOP), a general analysis method of navigatoin fixing error is given, so that a simple estimate of navigation fixing error and an optimum configuration of the observed objects are derived.

• 该文从几何精度系数出发给出了导航定位误差的一般分析方法，从而得出导航定位误差的简单估计和分析所造物标的最佳配置。