本文介绍一种激光扫描与CCD传感器的新技术，用于在线实时检测玻璃管外径与壁厚的尺寸。
By using laser scanning and CCD sensor, a new optical technique can be applied in the production line for real-time measuring the diameter and thickness of glass tubes.
本文简述应用于动态生产线上的激光扫描外径测量仪器之检测原理，并给出有关分析与讨论。
This paper brief describe principle of scan laser out diameter gauge in which have successfully used production line. Correlated analysis and discussion are gaven.
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