Finally, Based the analysis of theory modal, a modal testing program has been designed according to the existing test equipments, which prepares for the next testing of the vibration and noise.
在理论模态分析的基础上，根据现有的试验设备设计了合理的试验方案，为下步的振动与噪声的试验做了必要的理论准备。
The multi-parallel- magnification circuits and the band-pass filter can well restrain random interfering noise, especially generated by test run vibration.
适配电路中的多级并联放大电路、带通滤波器对试车过程中的随机干扰信号，尤其是振动引起的噪声具有很强的抑制作用。
Based on numerical computation and online test, effective steps have been taken for the pulverize to change the working state, thus vibration and noise are reduced.
根据数值计算和现场测试分析，采取了有效措施，改变了磨机的工作状态，减小了磨机的振动和噪声。
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