杨文平, 陈国定, 石博强. 基于小波理论的复杂机械振动信号降噪分析[J]. 工程科学学报, 2002, 24(4): 455-457. DOI: 10.13374/j.issn1001-053x.2002.04.019
引用本文: 杨文平, 陈国定, 石博强. 基于小波理论的复杂机械振动信号降噪分析[J]. 工程科学学报, 2002, 24(4): 455-457. DOI: 10.13374/j.issn1001-053x.2002.04.019
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YANG Wenping, CHEN Guoding, SHI Boqiang. De-noising Vibration Signal of Complex Mechanism Based on Wavelet Theory[J]. Chinese Journal of Engineering, 2002, 24(4): 455-457. DOI: 10.13374/j.issn1001-053x.2002.04.019
Citation: YANG Wenping, CHEN Guoding, SHI Boqiang. De-noising Vibration Signal of Complex Mechanism Based on Wavelet Theory[J]. Chinese Journal of Engineering, 2002, 24(4): 455-457. DOI: 10.13374/j.issn1001-053x.2002.04.019
shu

基于小波理论的复杂机械振动信号降噪分析

De-noising Vibration Signal of Complex Mechanism Based on Wavelet Theory

    摘要
  • 摘要: 基于小波理论,针对典型旋转往复式机械——汽车发动机振动信号进行了降噪分析研究,提出了适合这类振动信号降噪的分析方法,并通过对实验数据的分析验证了该方法的正确性和有效性.该研究为对汽车发动机振动信号进行降噪处理,进而对其实施故障诊断提供了可靠的保障.

     

    Abstract: The vibration signal of the STEYR diesel engines has analyzed based on wavelet theory, and a feasible means is put forward for the signal denoising, which has been confirmed to be efficiency and accuracy by the experimentation data. The means provides a feasible technique support for fault Diagnoses of STEYR diesel engines.

     

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