To realize this automatic test system, not only the newly developed automation technology and ultrasonic signal processing technique, but also the ultrasonic image processing technique was applicated.
同时，将超声成像和声图像处理技术应用到本系统中，实现了环形电子束焊缝超声检测的自动化。
Modern signal processing and pattern recognition have been playing an increasing important role in ultrasonic nondestructive testing and evaluation.
现代信号处理与模式识别技术在超声无损检测与评价中的作用愈来愈重要。
Research on the signal digitalization processing for ultrasonic inspection of train wheels is described including the design idea, composition and application results of the system.
介绍车轮超声波探伤信号数字化处理的研究，以及系统的设计思想、构成和现场应用效果。
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