材料在其内部产生或者外部施加机械应力或热应力的情况下,材料的内部结构将发生变化,且以瞬时弹性波的形式向外界释放能量。其中,引起能量释放的称为声发射源。
... compoundsystem复合系统 acousticemissionsource声发射源 compoundcontrol复全控制 ...
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acoustic emission source location system,声发射源定位系统 acoustic emission source,声发射源
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acoustic c emission source location system,声发射源定位系统 acoustic c emission source,声发射源 acoustic c emission spectrum,声发射频谱 .
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发射声源级 SL
声发射检测的目的是获得声发射源的有关信息(如声发射源的特征和位置等)。
The aim of AE (acoustic emission) testing is to obtain the information of AE source (source character and location etc).
利用这一功能,示波器可对测量数据进行特征提取,并实时显示声发射源位置。
By using the designed function module, DSO can extract information of data and give the real time display of the location of AE source.
声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。
The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band.
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