Ejection acceleration spectrum analysis based on wavelet transform

被引：0
|
作者：
Xu, L. [1 ]
Shi, G. [1 ]
Hou, T. [1 ]
机构：
[1] Coll. of Elec./Automation Eng., Qingdao University, Qingdao 266071, China
来源：
Qingdao Daxue Xuebao(Gongcheng Jishuban)/Journal of Qingdao University (Engineering and Technology Edition) | 2001年 / 16卷 / 01期
关键词：
D O I：
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中图分类号：
学科分类号：
摘要：
An idealer bandpassing filter was designed by using wavelet group and analysing ejection acceleration signal spectrum with spectrum zoom method. Compared with FFT spectrum analysis method, the result shows that frequency spectrum zoom method based on wavelet transform has higher frequency resolution rate than FFT spectrum method, moreover, is more simple and easier when performing. It's fit to spectrum analysis whose resolution rate is requested high.
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页码：52 / 55
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