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宇宙线测试是北京谱仪BESIII漂移室建造过程中的重要环节,测试联合BESIII电子学、数据获取、触发判选等系统共同进行。BESIII数据获取系统在数据获取期间需要实时监测事例数据,其中单事例显示是在线监测的一种重要手段。本文主要介绍了宇宙线测试系统单事例显示中事例径迹击中的空间位置计算方法。
Cosmic ray test is an important part in the construction of BESIII drift chamber of Beijing Spectrometer. The test is carried out jointly with BESIII electronics, data acquisition and triggering selection system. The BESIII data acquisition system needs real-time monitoring of case data during data acquisition, and single-instance display is an important means of online monitoring. This article mainly introduces the method of calculating the spatial position of the instance track hit in the cosmic ray test system single instance display.