PTAE 4A AE monitor system was developed for monitoring the fatigue crack propagation on aircraft structure. And a study on its practical application was carried out.
为实现飞机结构的疲劳裂纹动态监控，研制了PTAE-4A机载声发射监测系统，并作了随机机载应用研究。
Returning original processing method of AE signals is pretended to monitoring grinding wheel dull in this paper, based on this, dull monitoring and dressing system for grinding wheel is developed;
利用声发射（AE）信号归原处理法对砂轮磨钝程度进行监测，在此基础上开发了砂轮磨钝监测及自动修整系统。
Returning original processing method of AE signals is pretended to monitoring grinding wheel dull in this paper, based on this, dull monitoring and dressing system for grinding wheel is developed;
利用声发射（AE）信号归原处理法对砂轮磨钝程度进行监测，在此基础上开发了砂轮磨钝监测及自动修整系统。
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