Visit ASIAA Homepage Registration Deadline: July 18, 2023 (Taiwan Time)
2023 Advanced Telescope and Instrument Technology Conference
第十屆海峽兩岸天文望遠鏡與觀測前沿技術研討會
November 20(Mon)-23(Thu), 2023
ASIAA Auditorium, Taipei, Taiwan

Oral Presentation

The focus adjustment methods for MCI of CSST

Author(s): 刘欢新 (上海天文台)

Presenter: Huanxin Liu (中国科学院上海天文台)

多通道成像仪 (Multi-Channel Imager ,MCI) 是中国空间站望远镜 (Chinese Space Station Telescope, CSST) 的一个载荷。MCI有三个通道可以同时进行观测成像并且每个通道可以独立调焦。该报告介绍了调焦的三种方法,分别为测量环绕能量 (Encircled Energy, EE), 半高全宽 (Full width at half maximum, FWHM)和锐度 (sharpness)。通过对仿真数据和地面实测数据的测试,比较了三种指标随调焦位置改变的变化趋势,由此找到最佳焦面位置。

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