... 故障频率函数 failure density function ; failure frequency function 故障频率特征 Frequency Characteristics Of Fault 外环故障频率 BPOR ; BPFO ...
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通过对调制信号作谱分析，以其频谱中是否存在某种故障的特征频率分量来诊断有无该种故障。
The fault is diagnosed by extracting the fault feature component from the frequency spectrum of the modulated signal.
分析了转子断条故障特征在电机启动电磁转矩信号中的表现形式及频率变化规律。
The expression and frequency variety law of the rotor broken bar fault feature component in the startup electromagnetic torque signal are analyzed in detail.
模型与信号分析数据库连接后，可得到该特征频率处的故障参数信息。
When the model is connected with the analytic database of signal, the fault parameters corresponding with the characteristic frequency can be gained.
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