The space structure and spatial position solution of a 3-dof Parallel Driven platform are introduced, and the additional motion produced at the movement of structural platform is analysed.
介绍了一种三自由度并联驱动平台机构的空间结构和空间运动姿态的位置解算，并分析了该结构平台在运动过程中所产生的附加运动。
In the space camera, the most crucial optical component that affects the spatial resolution is the primary mirror, so the requirements of its surface figure and position precision are very strict.
在空间相机中，对地面像元分辨力起基础决定性作用的光学元件是主镜。主镜作为空间相机中质量最大的光学元件，其面形精度、位置精度要求十分严格。
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