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系统误差的实时修正是保证望远镜观测精度最基本的条件之一。利用靶场试验数据进行计算机仿真,结果表明:与传统的单项误差法相比,球谐函数法对望远镜系统误差修正的精度在方位和俯仰方向上分别提高了30%和50%。并首次将该方法应用到了望远镜的系统误差动态修正中。
Real-time system error correction is one of the most basic conditions to ensure the accuracy of telescope observation. The simulation results show that the accuracy of the spherical harmonic function method in the error correction of the telescope system is improved by 30% and 50% respectively in the azimuth and pitch directions compared with the traditional single error method. For the first time, this method is applied to the systematic error correction of the telescope.