为了诊断单级传动齿轮副故障，本文提出信号周期分段处理的方法。

This thesis presented a technique for diagnosing gear pairs faults and introduced the procedure in detail.

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算例分析结果表明这种分段处理方法既考虑了负荷的周期变化，又使控制方案更为简洁有效。

Results from numerical examples indicate that the proposed method can not only consider the cycle changing of system load, but also make the control scheme more succinct and effective.

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