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小丸内靶靶丸跟踪系统是小丸内靶装置的一套辅助测量系统,该系统用于测量靶丸在反应点的位置和时间信息,记录每个靶丸的飞行轨迹和时间,配合其他靶丸控制系统实现反应事例顶点的精确定位,精确度能达到几十μm量级。本文描述了小丸内靶靶丸跟踪系统的工作原理,即利用靶丸对光的散射收集该散射光定位靶丸所在位置,及该系统搭建前的部分测试工作,确定了该系统的最终结构,即相机与光源的夹角为135°,确定了光源为5.5mW的激光;测定了线扫描相机频率为98.000 8kHz和镜头M7528-MP最小物距为285mm,此时放大倍率为0.224。
The pellet target tracking system is a set of auxiliary measurement system for the target device within the pellet. The system is used to measure the position and time information of the pellets at the reaction sites. The trajectory and time of each pellet are recorded and matched with other pellets Control system to achieve the precise positioning of the top of the reaction case, the accuracy can reach the order of tens of μm. In this paper, we describe the working principle of the target tracking system in the pellet, which uses the scattered light of the target pellet to collect the target position of the scattered light and the partial testing before the system is set up. The final structure of the system is determined, That is, the angle between the camera and the light source is 135 °, and the laser source whose light source is 5.5mW is determined. The minimum object distance of the line scan camera 98.000 8kHz and the camera M7528-MP is 285mm, and the magnification is 0.224 at this moment.