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Wavelet Packet Method Based on Sections of Picking-up Characteristic from Vibration Signals
Author(s): 
Pages: 49-51
Year: Issue:  4
Journal: VEHICLE ENGINE

Keyword:  柴油机小波包神经网络特征提取;
Abstract: 基于小波分析与神经网络的振动信号故障诊断方法,提出采用基于区间小波包分解方法来提取振动信号的特征向量来取代传统的小波包分解方法,并以295柴油机进排气系统故障诊断为例验证采用该方法的有效性,结果表明,基于区间的小波包特征提取方法较传统方法能大大提高进排气系统的故障识别率.
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