This article research work mainly has the following several points:1. In view of the tradition signal processing method which is not suitable for non-steady signals symptom extraction, wavelet packet analysis is adopted in rotating machinery fault symptom extraction.
本文的研究工作主要有如下几点:1.针对传统信号处理方法对旋转机械中非平稳信号的特征提取不足,研究基于小波包分析的旋转机械故障特征提取。
参考来源 - 基于小波分析的旋转机械故障诊断仪的研究与开发·2,447,543篇论文数据，部分数据来源于NoteExpress
The experimental results show that this method has obvious effect on mutative symptom extraction.
实验结果表明，这种方法在信号突变征兆提取上具有明显效果。
A method of signal mutative symptom extraction is presented, in which the theory of wavelet transform is applied. Moreover, this method is used in fault diagnosis of test turntables.
应用小波变换理论提出了一种信号突变征兆提取方法，并将它应用于转台故障诊断中。
应用推荐