LAMOST焦面姿态检测
Focal Surface Attitude Detection for LAMOST
摘要：
随着望远镜孔径越来越大，大视场望远镜的部署越来越受欢迎。然而，光路定标是保证大视场、大口径望远镜成像质量的必要条件。焦平面姿态标定是一项重要的光路标定技术，直接影响成像质量。针对宽视场望远镜LAMOST的标定要求，提出了一种利用8台采集相机进行焦平面姿态检测的方法。仿真和实验结果表明，该方法的检测精度可达30 arcsec。通过进一步的测试和验证，该方法可用于LAMOST以及其他大视场望远镜的定期焦平面姿态标定。
英文摘要：
With telescope apertures becoming larger and larger, the deployment of large-field telescopes is becoming increasingly popular. However, optical path calibration is necessary to ensure the image quality of large-field and large-diameter telescopes. In particular, focal plane attitude calibration is an essential optical path calibration technique that has a direct impact on image quality. In this paper, a focal plane attitude detection method using eight acquisition cameras is proposed based on the calibration requirements of the wide-field telescope, LAMOST. Comparison of simulation and experimental results shows that the detection accuracy of the proposed method can reach 30 arcsec. With additional testing and verification, this method could be used to facilitate regular focal plane attitude calibration for LAMOST as well as other large-field telescopes.
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