Time-Frequency Analysis Based on Local Wave Approach
A new feature extraction method based on the local energy in joint time frequency analysis is presented. The concept of local energy in joint time- frequency analysis based on local wave theory is used to measure the signal energy in certain frequency and certain period. The proposed feature extraction method is tested on simulated signals. The result indicates that the developed approach is effective. 1
local wave local energy in joint time- frequency analysis feature extraction fault diagnosis
WANG Fengtao MA Xiaojiang
Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education School of mechanical engineering, Dalian University of Technology, Dalian, China, 116023
国际会议
北京
英文
2007-08-05(万方平台首次上网日期,不代表论文的发表时间)