At last, we recomposed some frequency band of wavelets, and the results can efficiently extract the features of acoustic emission signal.
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。
This paper introduces modal acoustic emission evaluation technique, including its fundamental principles, signal characteristic, noise rejection and source location etc.
本文介绍了模态声发射检测技术的基本原理、信号特征、噪声剔除和源定位等内容。
The damage signal of high speed composite flywheels was collected by acoustic emission method.
采用声发射法对复合材料飞轮试件高速旋转时的损伤信号进行采集。
An acoustic emission (AE) test rig with signal acquisition virtual instrument system has been developed for engineering ceramics high speed deep grinding.
建立了工程陶瓷高速深磨中声发射的实验系统，自主开发了其中的声发射信号虚拟仪器采集系统。
The characteristic of linear and nonlinear responses between arc excited ultrasonic emission and excited frequency was realized by the received signal from the acoustic to the ultrasonic spectrum.
对受激电弧的声发射信号分析表明，从音频到超声频带，电弧声发射与激励频率之间存在着线性响应和非线性响应特征。
Phase Variation Analysis of Transient Evoked Otoacoustic Emission Signal 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。
Abstract: the simulation of acoustic emission signal processing of pressure pipeline crack micro leakage with the localization of the leaking source was carried out under the laboratory condition.
摘要：在实验室的条件下模拟压力管道裂纹微泄漏源的声发射信号处理与泄漏源定位。
It is pointed that wavelet analysis has a powerful ability for weak signal detection, which is suitable for withdrawing fault diagnosis of acoustic emission (AE) signals well.
小波分析具有很强的弱信号的检测能力，适用于提取声发射信号的故障特征。
It is pointed that wavelet analysis has a powerful ability for weak signal detection, which is suitable for withdrawing fault diagnosis of acoustic emission (AE) signals well.
小波分析具有很强的弱信号的检测能力，适用于提取声发射信号的故障特征。
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