The trigger electronic module consists of 3 discriminators and a coincidence unit which performs a 2 - out - of - 3 logic gate . hence either 2 detectors or 3 detectors receiving cosmic ray signal will trigger daq 触发电路模组由三个鉴别器和一个与门电路组成。当有两块或以上的探测器同时产生讯号，该电路便会触发数据收集。
