The status identification is key step in the fault diagnosis of mechanical equipment.
状态识别是机械设备故障诊断的关键环节。
A new approach to extract weak periodic signal from strong noise is proposed to pick up some weak signals in the fault diagnosis of mechanical equipment.
为提取机械设备故障诊断中的某些微弱信号，给出一种新的提取强背景噪声中微弱周期信号的方法。
Objective: To provide mechanical equipment maintenance and fault diagnosis of the theoretical basis and reference methods.
为机械设备维修人员提供故障诊断维修的理论依据和参考方法。
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