模态声发射是材料声发射检测的新方法。
Modal acoustic emission (MAE) is a new method for acoustic emission testing of materials.
模态声发射在检测过程中采集几千个波形，其中只有一部分是裂纹生长所产生的。
MAE can result in the capture of thousands of waveforms during a test, of which only a few will be the signals from crack growth.
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。
This paper introduces modal acoustic emission evaluation technique, including its fundamental principles, signal characteristic, noise rejection and source location etc.
模态声发射由于无需扫查工件而利用裂纹生长产生的能量来实现检测，从而显示了极大的优越性。
Modal acoustic emission (MAE) that USES the energy produced by the growing crack for detection without scanning has shown its conspicuous advantage.
基于小波变换和模态声发射理论，通过模态声发射试验的方法确定了管道中导波传播的频散特性。
Based on the wavelet transformation and the theory of modal acoustic emission, the dispersion of guided wave propagated in thin plate was investigated by acoustic emission experiment.
由于泄漏声发射信号的多模态特性和在管道内传播过程中的频散特性，使得通过相关分析进行管道泄漏定位的效果很差。
Due to the multi modes and dispersion nature of acoustic emission (AE) propagating in pipeline, traditional cross correlation technique do not perform well for acoustic leak location.
由于泄漏声发射信号的多模态特性和在管道内传播过程中的频散特性，使得通过相关分析进行管道泄漏定位的效果很差。
Due to the multi modes and dispersion nature of acoustic emission (AE) propagating in pipeline, traditional cross correlation technique do not perform well for acoustic leak location.
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