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《Journal of Chengdu Aeronautic Vocational and Technical College》 2009-04
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Application of Filter Coupling Method in Denoising Procession of Vibration Signal of Aeroengine

LIU Xuhui,YUE Taiwen,WANG Ying  
It is very important to denoise effectively from the disturbed signal and extract more accurately fault information in the field of aeroengine fault diagnosis.Combing with practical problems,this paper proposed the method of Db wavelet transformation and adaptive median coupling filter based on the wavelet analysis and median filter,and used this method to analyze the vibration signal of a certain type of aeroengine and filter the noise effectively.
【CateGory Index】: V231.92
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