Exponential time-frequency distribution of mechanical vibration signals

被引：0
|
作者：
Zheng, GT [1 ]
McFadden, PD
机构：
[1] Harbin Inst Technol, Dept Aerosp Engn, Harbin 150001, Peoples R China
[2] Univ Oxford, Dept Engn Sci, Oxford OX1 3PJ, England
来源：
SCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES | 1998年 / 41卷 / 04期
关键词：
time-frequency distribution; mechanical vibration signal; signal processing; condition monitoring;
D O I：
10.1007/BF02917014
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An improved exponential time-frequency distribution is presented. Compared with those exponential time-frequency distributions represented by the Choi-Williams distribution, this distribution is designed to suit the properties of mechanical vibration signals, and is easier to be applied in the mechanical vibration signal processing. It has a strong cross-term suppression ability and is aliasing free.
引用
收藏
页码：418 / 425
页数：8
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