CAJ | 학술논문

　　总结了基于Matlab的声发射信号小波滤噪的主要方法及主要阈值选取策略，其中包括各种方法和策略的Matlab指令，并从理论上指出了小波基、小波分解层数等因素的改变会对滤噪结果产生影响，最后对小波滤噪研究进行了展望。
　　총결료기우Matlab적성발사신호소파려조적주요방법급주요역치선취책략，기중포괄각충방법화책략적Matlab지령，병종이론상지출료소파기、소파분해층수등인소적개변회대려조결과산생영향，최후대소파려조연구진행료전망。
This article summarizes the main methods of the acoustic emission signals based on Matlab Wavelet Denoising and key threshold selection strategy ,which includes a variety of methods and strategies of the Mat-lab command,and pointed out the wavelet theory,wavelet decomposition level and other factors change may affect the results of noise filtering ,and finally the wavelet denoising research were discussed.