...断裂力学，声发射信号，扫描电镜(SEM)，非平衡统计，塌陷区 [gap=978]Key words fracture mechanics，acoustic emission signal，scan electron microscopy (SEM)，non-balanced statistics，subsiding area ..
Phase Variation Analysis of Transient Evoked Otoacoustic EmissionSignal with or without Contralateral acoustic Stimulation.
对侧刺激声作用下瞬态诱发耳声发射信号的相位研究。
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At last, we recomposed some frequency band of wavelets, and the results can efficiently extract the features of acousticemissionsignal.
最后通过对能反映源特征的频带信号进行重构，这样能更好更有效的提取声发射信号的本质特征。
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Abstract: the simulation of acousticemissionsignal processing of pressure pipeline crack micro leakage with the localization of the leaking source was carried out under the laboratory condition.