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《Journal of Shantou University(Natural Science Edition)》 2002-01
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Application of Square Demodulation Analysis inFault Diagnosis for Mechanical Signal

Zhang Fan Ding Kang (Department of Mechatronics,Shantou University,Shantou,515063)  
Demodulation analysis is effective for mechanical fault diagnosis especially for equipments with gear and rotating shaft,but the two methods in current use for its implementation,that is,high-pass absolute value analysis and rectification-based on the same principle of the two,and makes theoretical analysis into these limitations so as to avoid misdiagnosis in engineering fault diagnosis.
【CateGory Index】: TH113.1
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