The constraint formulas for designing the geometries of primary baffle and secondary baffle are deduced when taking account of vignette of R-C system.
针对R-C系统的特点，考虑轴外渐晕的影响，推导出主、次镜内遮光罩尺寸设计的约束公式。
The acceleration constraint equation is obtained based on the six DOF model of secondary joint.
基于次铰全自由度表达模型，推导闭链加速度约束等式；
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