Sparse signal decomposition Order analysis Gear Fault diagnosis;
稀疏信号分解；阶比分析；齿轮；故障诊断；
Therefore, the gear fault diagnosis technology research is very important.
因此，齿轮故障诊断技术的应用研究是非常重要的。
This brought great difficulties to diagnose the early fault of gear.
这就为齿轮的早期故障诊断带来了很大困难。
Gear as an important mechanical transmission equipment, its fault diagnosis has important significance.
齿轮作为一种重要的机械传动设备，对其进行故障诊断具有重要意义。
Finally, the practical fault diagnosis examples of roll bearing and gear box are given.
最后，将该方法用于轴承故障信号和齿轮故障信号的分析。
Finally, the practical fault diagnosis examples of roll bearing and gear box are given.
最后，将该方法用于轴承故障信号和齿轮故障信号的分析。
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