Condition recognition of rolling bearing based on Hilbert energy spectrum gravity center

@inproceedings{Liang2009ConditionRO,
  title={Condition recognition of rolling bearing based on Hilbert energy spectrum gravity center},
  author={Wang Liang},
  year={2009}
}
Pattern recognition is the key to the condition monitoring of mechanical system,and feature extraction of the signal is important too.The peak value is a common index in the time domain and the frequency domain.In the time-frequency domain,the local wave based on the instantaneous frequency is better than other methods.In this paper,the method of Hilbert energy spectrum gravity center will be showed. 

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