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根据压缩机原理和结构特点 ,利用电磁学、机械振动和金属摩擦学的基本理论和方法 ,分析家电用小型全封闭压缩机故障产生机理和振动信号时频域特征
According to the compressor principle and structure characteristics, the mechanism of fault generation and the characteristics of time-frequency domain of vibration signal are analyzed based on the basic theories and methods of electromagnetics, mechanical vibration and metal tribology.