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介绍了北京正负电子对撞机重大改造工程(BEPCII)储存环的准直测量方法和数据平差处理方法,并对2006-2012年隔年储存环控制点的点位中误差进行了计算和分析,其绝对点位中误差在储存环的平面径向和切向的几何平均值均在0.10 mm以内,高程方向在0.25 mm以内,相对点位中误差在平面径向、切向和高程方向的几何平均值均在0.06 mm以内,可为其它加速器装置控制网的设计和测量提供参考。
The alignment measurement method and data adjustment method for the storage ring of Beijing Electron-Positron Collider Rebuild (BEPCII) are introduced, and the error in the point of storage ring control point is calculated and analyzed every year from 2006 to 2012 , The absolute error in the absolute point of the storage ring in the radial and tangential geometric mean value of the plane are within 0.10 mm, the direction of elevation within 0.25 mm, the relative point of error in the plane radial, tangential and elevation direction The geometric mean values are all within 0.06 mm, providing a reference for the design and measurement of other accelerator device control networks.