Extracting precisely the vibration signals' characteristics in time and frequency of typical faults is a key to mechanical failure diagnosis.
准确地提取各种典型故障的振动信号的时频域特征是进行机械故障诊断的关键。
Fracture failure analysis was made on resistance spot welding motor bracket test specimens which were destroyed by the high-frequency vibration.
分析了电阻点焊电动机支架高频振动破坏试样的失效原因。
At first the cepstrum envelope model is described. Then the vibration spectra of the normal pump and the pump with a bearing failure are compared in frequency domain and in cepstrum envelope domain.
文中详细给出了倒谱包络的模型，然后在频域和倒频域比较正常泵和轴承故障泵的功率谱变化及倒谱包络变化。
At first the cepstrum envelope model is described. Then the vibration spectra of the normal pump and the pump with a bearing failure are compared in frequency domain and in cepstrum envelope domain.
文中详细给出了倒谱包络的模型，然后在频域和倒频域比较正常泵和轴承故障泵的功率谱变化及倒谱包络变化。
应用推荐