Both wavelet package and EMD algorithms can be used to decompose pipeline leakage AE signals,but the results are greatly different.
采用小波包分解算法和经验模态分解都可以对管道泄漏声发射信号进行分解,但分解结果却存在一定区别。
参考来源 - 基于小波包和HHT变换的声发射信号分析方法The experiment result shows that the wavelet package can extract the feature waves efficiently.
实验结果表明,小波包技术能有效地提取脑电信号特征波。
参考来源 - 基于小波包技术的EEG信号特征波提取分析·2,447,543篇论文数据，部分数据来源于NoteExpress
We illustrate the wavelet package analysis that can obtain the time-frequency distribution figure of noise signal, which can be used to define gray-image.
首先对噪声信号进行小波包分解，得到含有待诊断柴油机主轴承间隙故障信息的噪声信号时频分布图，并由此定义图像。
The structural damage recognition is studied with the mode identification method, and the method for drawing the wavelet package signal energy eigenvalue is analyzed.
从模式识别的观点对结构损伤识别进行了分析，分析了小波包信号能量特征提取的方法。
The structural damage recognition has been analyzed with mode identification method and the method for extracting the wavelet package signal energy eigenvalue has been analyzed.
从模式识别的观点对结构损伤识别进行了分析，分析了小波包信号能量特征提取的方法。
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