The two surfaces' figure of a parallel plate and its inhomogeneity are measured by the dynamic interferometer bs ed on this method.
将该方法和动态干涉系统相结合，测量了平行平板前后表面绝对面形及其折射率均匀性误差。Then the equation sets were solved by difference method to get the surface data of the free reflector.
采用差分法求解微分方程组得到自由曲面反光器的面形数据。This coordinate system is called the triad at the point.
这个坐标系叫做该点的三面形坐标系。The invention discloses a method for analyzing digital interference fringe and a device for detecting optical component surface shape.
本发明公开了一种数字干涉条纹分析方法及光学元件面形检测装置。Among the factors that affect the workpiece form accuracy, space geometry errors and kinematic errors usually play the main part.
在影响超精密加工工件面形精度的诸多因素中，机床的空间几何误差与运动误差往往占主要作用。The segmented primary mirror of space-based telescope is controlled by a number of actuators to achieve a required surface shape.
空间望远镜分块式主镜的面形是由其背后布置的若干致动器控制的，是一个复杂的控制系统。The experiment shows that the system can measure the three-dimensional shape of complex object surface more quickly and accurately.
经实验表明，该系统能够较为快速、准确地测量出被测复杂物体表面的三维面形信息。Theoretical analysis and experimental results show that it can obtain a much more rational reconstruction surface with a complexity O (N).
理论分析和实验结果表明，该方法具有与其它快速方法相同的运算复杂度O（N），而面形恢复的准确度明显优于传统方法。A solid figure with a polygonal base and triangular faces that meet at a common point.
多面形的底痤和三角形的侧面在一个共同点处相接的固体的轮廓