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。
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。
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.
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