摘要
研究了小波包在水轮机尾水管的压力脉动信号处理中的应用 ,提出了基于小波包分解的特征提取方法 .
The wavelet packet used in signal processing of the pressure fluctuation of the draft tube is studied and a new method for extracting the characteristic based on wavelet packet is suggested. And the data on the pressure fluctuation of the draft tube is analyzed by using the method. At the same time, the energy characteristic vector based on wavelet packet can be the input vector of the model identification of the pressure fluctuation of the draft tube.
出处
《华中科技大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2001年第12期43-44,共2页
Journal of Huazhong University of Science and Technology(Natural Science Edition)
基金
国家自然科学基金资助项目 ( 5 99790 0 7)
湖北省自然科学基金资助项目 ( 98J0 65 ) .
