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结合炮兵测地车对位置和航向信息的需求,在简要分析炮兵测地车应用米级天文定位系统必要性的基础上,结合国外现有产品成果和目前国内技术基础,给出了天文定位系统的组成和基本工作原理。对多星体同步敏感单元的光轴指向测量误差、方位旋转单元水平姿态测量误差、时间测量误差等影响天文定位系统的三种主要误差源进行分析,认为天文定位系统可以达到炮兵测地车对位置和航向信息的需求。
Combining the demand of artillery geodesic for the position and heading information, based on the brief analysis of the necessity of the application of the rice-based astronomical positioning system by artillery geodesic vehicles, combining with the existing product achievements abroad and the current domestic technical foundation, The composition and basic working principle. The three major error sources that affect the astronomical positioning system are analyzed, such as the measurement error of the optical axis of the multi-satellite synchronous sensitive unit, the measurement error of azimuth rotation of the azimuth rotating unit, the time measurement error, etc., And the need for heading information.