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首页> 外文期刊>Chinese Journal of Astronomy and Astrophysics >Calculations for the Pre-Calibration of LAMOST Active Optics
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Calculations for the Pre-Calibration of LAMOST Active Optics

机译:LAMOST有源光学器件的预校准计算

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摘要

Large Sky Area Multi-Object Fibre Spectroscopic Telescope (LAMOST) is one of the major on-going national large scientific projects in China. Active optics is a key technology for the LAMOST with which the thin-mirror active optics and segmented-mirror active optics are tied in. A pre-calibration method considering all active forces and displacements specially for LAMOST has been developed in early 2004. We give a detailed mathematical derivation and calculation including numerical simulation and computer program realization of the pre-calibration method of LAMOST open-loop control for the third-order as-pherical aberration. We have also carried out calculations on the application of the pre-calibration method and the parameters of actuator design in LAMOST active optics in observation mode, including estimations of the actuator ranges, the interval of active optics correction and the ranges and trends of load changes on all the actuators during LAMOST tracking a given star.
机译:大天空区多目标光纤光谱望远镜(LAMOST)是中国正在进行的重大国家大型科学项目之一。有源光学器件是LAMOST的一项关键技术,将薄镜有源光学器件和分段镜有源光学器件捆绑在一起。2004年初,已经开发出一种考虑到所有有源力和位移的专门针对LAMOST的预校准方法。详细介绍了用于三阶非球面像差的LAMOST开环控制的预校准方法的数学推导和计算,包括数值模拟和计算机程序实现。我们还对观测模式下LAMOST有源光学器件中预校准方法的应用和致动器设计参数的应用进行了计算,包括致动器范围的估计,有源光学器件校正的间隔以及负载变化的范围和趋势在LAMOST跟踪给定恒星期间所有执行器上。

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