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基于希尔伯特—黄变换的尾管裂纹故障诊断研究

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摘要 为提高灭火弹火箭发动机裂纹的检测效率和减少产品的故障率,提出了基于HHT的时频分析法分别对裂纹故障振动信号和无裂纹故障振动信号在时域、频域和时频域进行了研究,研究结果表明,基于HHT的时频分析方法对裂纹故障诊断非常有效。
出处 《电子世界》 2014年第24期491-492,共2页 Electronics World
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