Study of engine noise based on independent component analysis

被引：0

作者：

Zhi-yong Hao

Yan Jin

Chen Yang

机构：

[1] Zhejiang University,School of Mechanical and Energy Engineering

来源：

Journal of Zhejiang University-SCIENCE A | 2007年 / 8卷

关键词：

Acoustic signals; Independent component analysis (ICA); Wavelet transform; Noise source identification; TB53;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Independent component analysis was applied to analyze the acoustic signals from diesel engine. First the basic principle of independent component analysis (ICA) was reviewed. Diesel engine acoustic signal was decomposed into several independent components (ICs); Fourier transform and continuous wavelet transform (CWT) were applied to analyze the independent components. Different noise sources of the diesel engine were separated, based on the characteristics of different component in time-frequency domain.

引用

页码：772 / 777

页数：5

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