The computer simulation shows this mothed is very effective to the fault diagnosis of vibration of hydro-generator units. 计算机仿真表明这种信号分析方法对水轮发电机组振动的故障诊断是十分有效的。
A fault diagnosis mothed for hydro-generator units has been put forward according to their vibration frequency spectrum characteristics. 摘要针对水轮发电机组振动的频谱特点，提出了基于小波包分析的水轮发电机组振动的故障诊断方法。
