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本文详细介绍了声发射检测系统的软硬件设计,以及相关的滤波,特征提取,模式识别方法。通过现场调试表明,该系统能够有效的对压力容器的典型缺陷进行识别,可以满足压力容器在线检测的需要。
This paper introduces the hardware and software design of acoustic emission detection system in detail, as well as the related filtering, feature extraction and pattern recognition methods. The on-site commissioning shows that the system can effectively identify the typical defects of pressure vessels and meet the needs of online inspection of pressure vessels.