After briefly introducing the principle of difference division GPS technology, it provides the structure model of the dynamic navigation system.

在简单介绍了差分gps技术原理的基础上，给出了动态导航系统的结构模型。

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This paper proposes a dynamic navigation system for project ships on the basis of GPS's positioning technology and developing instruments of visual procedure.

提出了一种基于GPS定位技术和可视化程序开发工具的工程船舶动态导航系统。

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Then the dynamic uncertainty of single navigation sensor is evaluated according to this variance, and thus the combined uncertainty of the combined navigation system is worked out.

根据测量方差对单一导航传感器信息进行动态不确定度评定，进而确定组合导航系统的组合不确定度。

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