卫星运行三维场景及星下点轨迹可视化研究

应用可视化技术构造卫星运行的虚拟场景,实时显示卫星运行状态及星下点轨迹,可为卫星轨道设计、卫星运行状态监控及卫星应用提供直观的分析和指导。通过对卫星轨道计算方法、几何建模、虚拟场景装配及虚拟场景驱动方法研究,本文开发了卫星运行三维场景及星下点轨迹可视化软件。本文详细给出了地球模型、卫星模型的建模及由此模型组装卫星运行场景的方法,卫星轨道计算及星下点轨迹可视化方法。该软件可实时模拟卫星在太空中的运行场景,给出卫星的即时经纬度坐标及星下点位置坐标。该软件已在实践中得到应用。

A Study on the Scene Simulation and the Visualization of Tracking on Earth for Flying Satellite

With a constructed satellite flying virtual scene,we can disply the flying state and the ground tracking of flying satellite in a realtime way.This is useful for orbit design,flying state monitoring and application of satellite.The visulization software with such functions is developed based on studying the satellite orbit caculation,entity modeling,virtual scene assembling and virtual scene driving.The softeware can simulate satellite flying scenes,show the longitude and latitude of satellite in a realtime way.This software has been applied in practice.