航海模拟器中测天定位的仿真研究

Study on the Simulation of Celestial Fixing in Navigation Simulator

为了实现六分仪测天定位的计算机模拟,综合计算机图形学和航海天文学知识,建立了六分仪测天定位数学计算模型,提出了一种在航海模拟器中模拟六分仪测天原理的视景绘制方法,最终实现了测天定位原理的计算机模拟。仿真结果表明,该研究成果可实现天体定位原理的计算机模拟,从而为天文航海教学提供了直观便捷的手段,对提高学生对六分仪测天定位过程的深刻了解和天体定位导航仿真研究打下了基础。

By integrating the knowledge of Computer Graphics and Nautical Astronomy,it is presented a mathematical model of celestial fixing by sextant and a new method to render the dynamic scene for simulating the celestial fixing principle of sextant in navigation.At last,computer simulation of celestial fixing is implemented.The simulation result shows that the research can simulate the principle of celestial fixing.So this will provide a direct and easy method for nautical astronomy teaching.It also improves the understanding of student to the fixing principle and simulation research of celestial fixing.