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由于靶标布设是航天测控的重要问题之一,覆盖分析为靶标布设提供重要的参考依据。为研究靶标布设的规律特点,提高测控质量,提出了利用STK进行仿真分析。针对某个工程中的靶标布设问题,采用卫星携带相机的侧摆情况和相机类型的情况,对卫星过境的覆盖品质进行了分析建模。并运用MATLAB与STK软件进行联合仿真,得出6种模式下的覆盖结果。仿真结果表明,无论是否侧摆还是相机类型不同的情况下,卫星过境时长均只与所处纬度有关,与经度无关,并且纬度越高,覆盖品质越好。
As the target layout is one of the important issues in space flight measurement and control, coverage analysis provides an important reference for the layout of the target. In order to study the regularity of target layout and improve the quality of measurement and control, a simulation analysis using STK is proposed. Aiming at the problem of target layout in a certain project, the coverage quality of satellite transit is analyzed and modeled by the situation of satellite carrying camera and camera type. And use MATLAB and STK software to carry on the joint simulation, draw the coverage result under 6 kinds of modes. The simulation results show that the satellite transit time is only related to the latitude, regardless of the longitude, and the higher the latitude, the better the coverage quality, regardless of whether the pendulum or the camera type is different.