随着加载的进行，声发射仪器精确地定位出其裂纹初始位置、扩展方向，并直观地反映出其内部裂纹稳定扩展过程。
With the increase of external loading, AE instrument can exactly locate the position of crack initiation and propagation; and AE location events can reflect the stable crack propagation process.
基于虚拟仪器的水管道泄漏检测定位系统，其检漏与定位分别采用声发射检测法和互相关分析法。
For the leak detecting system of water pipeline based on virtual instruments, its acoustic emission measurement and correlation are adopted for detecting orientation.
扼要介绍结合声发射检测系统仪器的实际条件以及标定试验求取系统脉冲响应函数的方法。
Dealing with the concrete conditions of instrument system and its calibration tests, tbe method to determine the impulse response function of acoustic emission is introduced briefly.
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