Abstract: With a view of time-varying characteristic of the v ibration signal measured on reciprocating machinery and a brief introduction to the wavelet analysis and a nonlinear wavelet denoising theory, the paper makes an approach, by taking an triplex
Abstract: With a view of time-varying characteristic of the v ibration signal measured on reciprocating machinery and a brief introduction to the wavelet analysis and a nonlinear wavelet denoising theory, the paper makes an approach, by taking an triplex
文摘:针对往复机械振动信号的非平稳时变特点,本文在简述小波分析及非线性小波消噪理论的基础上,以重型机械使用的三缸泵为例,研究了用非线性小波消噪方法提取往复机械状态下的波形特性。