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Wavefront Sensing and Control Architecture for the Spherical Primary Optical Telescope (SPOT)

机译:球形初级光学望远镜(SPOT)的波前传感和控制架构

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摘要

Testbed results are presented demonstrating high-speed image-based wavefront sensing and control for a spherical primary optical telescope (SPOT). The testbed incorporates a phase retrieval camera coupled to a 3-Mirror Vertex testbed (3MV) at the NASA Goddard Space Flight Center. Actuator calibration based on the Hough transform is discussed as well as several supercomputing architectures for image-based wavefront sensing. Timing results are also presented based on various algorithm implementations using a cluster of 64 TigerSharc TS101 DSP's (digital-signal processors).
机译:给出了测试台结果,展示了基于球形球面光学望远镜(SPOT)的基于图像的高速波前感测和控制。该试验台装有一个相移摄像头,该摄像机与美国国家航空航天局戈达德太空飞行中心的三反射镜顶点试验台(3MV)耦合。讨论了基于霍夫变换的执行器标定以及用于基于图像的波前感测的几种超级计算架构。还基于使用64个TigerSharc TS101 DSP(数字信号处理器)的群集的各种算法实现,给出了时序结果。

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