| 水力机组振动监测中小波的应用 |
| |
| 引用本文： | 陈德新,杜敏.水力机组振动监测中小波的应用[J].华北水利水电学院学报,2005,26(2):31-33. |
| |
| 作者姓名： | 陈德新 杜敏 |
| |
| 作者单位： | 华北水利水电学院,河南,郑州,450011;华北水利水电学院,河南,郑州,450011 |
| |
| 摘 要： | 小波变换能很精确地将振动的真实信号从受各种噪声严重污染的采集信号中提取出来,具有很高的信号去噪能力,它通过对仿真信号进行小波分解,抽取其低频系数进行频谱分析,提高了频率分辨率,在水力机组的振动监测中具有重要的应用价值.
|
| 关 键 词： | 小波变换 水力机组 振动监测 去噪 |
| 文章编号： | 1002-5634(2005)02-0031-03 |
| 修稿时间： | 2004年10月20 |
Application of Wavelet Transformation to Vibration Monitoring for Hydropower Unit |
| |
| CHEN De-xin,DU Min.Application of Wavelet Transformation to Vibration Monitoring for Hydropower Unit[J].Journal of North China Institute of Water Conservancy and Hydroelectric Power,2005,26(2):31-33. |
| |
| Authors: | CHEN De-xin DU Min |
| |
| Abstract: | The advantage of wavelet transformation and its application in the vibration monitoring for hydropower unit are presented.The wavelet analysis in de-noising the vibration signal polluted by noise is made,which is proved to have good effect. Therefore,these methods provide more accurate features for next work. |
| |
| Keywords: | wavelet transformation hydropower unit vibration monitoring signal de-noise |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
