试验结果表明，变窗移傅里叶变换算法正确可行，可有效提取旋转机械振动信号转速谱阵的特征信息。
The experimental results show that it is correct and feasible, and can extract characteristic information of the rotating speed spectral map effectively.
本文研究了利用二次通用旋转组合设计来进行多因素影响的振动流化床喷雾造粒试验，建立数学模型，得出了具有一定参考价值的最佳操作参数。
Based on the quadratic general rotary unitized design, the experiments effected by multiple factors have been made on vibro - fluidized bed spray granulation in this paper.
试验表明，系统可以发现故障机械振动信号带有的奇异性，实现旋转机械的故障诊断。
Experimentation results indicate that the singularity of the fault machinery vibration signal can be detected and the machinery fault can be discovered by the system.
介绍一种用动态性能试验法测试空载时在精密推台锯上的德国产锯片锯齿径向跳动值，以及旋转主轴振动情况。
Introducing a kind of dynamic capability study method which tested jumpiness of the sawblade made in Germany on the precision sizing saw machine, as well as vibration of principal rotation axle.
本文用振动试验建模的方法来探索旋转壳体的干、湿模态参数及其非线性振动特性。
By using the method of establishing model through vibration test, this paper discusses the rotatory shell's dry-humid mode parameters and its non-linear vibration properties.
仿真及对柔性转子试验台振动信号的分析结果表明，基于频谱细化和相位差校正的全息谱能有效提高其分析精度，更加精确有效地诊断旋转机械的故障。
With correction of phase difference for the max peak, the amplitude and phase of each order frequency can be acquired. At last, the holospectrum was synthesized.
仿真及对柔性转子试验台振动信号的分析结果表明，基于频谱细化和相位差校正的全息谱能有效提高其分析精度，更加精确有效地诊断旋转机械的故障。
With correction of phase difference for the max peak, the amplitude and phase of each order frequency can be acquired. At last, the holospectrum was synthesized.
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