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Hybrid transient-parametric method and system to distinguish and analyze sourcesof acoustic emission for nondestructive inspection and structural health monito ring
Hybrid transient-parametric method and system to distinguish and analyze sourcesof acoustic emission for nondestructive inspection and structural health monito ring
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机译:混合瞬态参数方法和系统,用于无损检测和结构健康监测,以区别和分析声发射源
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摘要
A nondestructive evaluation (NDE) technique for inspecting or health monitoring of structures and/or specimens by analyzing acoustic emission (AE) signals emitted by the structures and/or specimens. The method and system analyzes acoustic emission (AE) signals emitted by structures and/or specimens. AE signals emitted by the structures and/or specimens are parametrically filtered as a function of parametric filters corresponding to characteristic waveforms of transient AE classes of predefined AE signals. In parametric analysis, the filtering may be pre- or post-recording. In transient AE analysis, the filtering may be prior to transient recording of the transient signals.
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