GPS satellite position calculation is the key link of GPS navigation and positioning, calculating satellite coordinates quickly and accurately is important to improve positioning speed and precision.
GPS卫星位置计算是进行GPS导航定位的关键环节，快速准确地计算出卫星坐标，对提高GPS定位精度和速度有着重要意义。
Finally, the measures to improve the surveying precision of the Navigation System are summarized.
总结提高激光导向系统测量精度应采取的措施。
Based on the information fusion theory, the integrated scheme can fully utilize information provided by all kinds of navigation sensor subsystems and improve the precision of the system effectively.
采用基于信息融合技术的组合方案充分地利用了各种导航传感器的信息，有效地提高了导航系统的精度。
Improving the accuracy of angular resolution is the key way to improve the navigation parameter resolution precision of accelerometer based gyro-free inertial navigation system.
提高角速度解算精度是提高无陀螺惯性导航系统导航参数解算精度的主要途径。
Image aided navigation is used in many navigation systems to improve the precision of the system.
图像导航在很多导航系统用来提高导航精度。
The model construction of the instruments is the base of the surgical navigation and is important to improve the security and precision of operation.
器械模型的建立为手术导航系统中器械的可视化与实时跟踪奠定了基础，对于提高手术的可靠性与准确性具有重要的作用。
The application result shows that the scheme can improve greatly navigation precision of data link.
应用结果表明，该方案能显著提高数据链的导航精度。
The distributed system scheme can improve the precision of the system navigation, and enhance the real-time performance of the system.
此设计可提高系统的精度，更好地满足系统实时性要求。
In combined navigation system, of vehicle, image matching by using SAR image could greatly improve the precision of the navigation system.
它在众多领域得到了广泛的应用。在飞行器组合导航系统中，利用SAR图像进行图像匹配，可以极大地提高系统的导航精度。
In combined navigation system, of vehicle, image matching by using SAR image could greatly improve the precision of the navigation system.
它在众多领域得到了广泛的应用。在飞行器组合导航系统中，利用SAR图像进行图像匹配，可以极大地提高系统的导航精度。
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