The power spectrum analysis technique and cepstrum analysis technique have been adopted separately to analysis the vibrating signal of the three typical faults of rolling bearing based on experiments.

• 本文结合实验对滚动轴承三种典型故障(内圈裂纹、外圈裂纹、滚动体裂纹)的振动信号进行了研究分析,分别应用了功率谱分析和倒频谱分析技术。