After analysing the advantages and disadvantages of the measuring methods for the raising error of the CAM curves in existence, this article puts forward a new non-contact measuring method.
分析现有几种凸轮升程误差测量方法的优、缺点后，提出一种基于图像处理的凸轮升程误差的非接触式测量新方法。
Its basic principles, measuring technique, analysing methods of data and identification of anomalies are introduced briefly with some examples.
本文结合某些实例简要地介绍了该方法的基本原理、测试技术、数据处理、异常识别等有关内容。
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