讨论了在用子孔径拼接法检测大口径光学镜面时的精度问题，并分别从理论上和实验中对拼接检验的精度做了定量分析。
This paper discusses the accuracy problem of testing a large aperture flat mirror by using stitching interferometry, and analyses the stitching accuracy in theory and experiment.
针对高陡度保形光学镜面的检测问题，提出了一种基于多段拼接的坐标测量方法。
A new coordinate measurement method with profile matching technique was put forward for steep conformal optics.
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