Research and discussion on the noise and vibration of the compressor is conducted through dynamic spectrum analysis of the compressor parts and noise and vibration test on the bench.
通过对压缩机的部件进行动力学频谱分析，结合所做的台架振动、噪声试验、研究和探讨了压缩机的振动和噪声问题。
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。
Through analysis and research on the noise and vibration in the test ground of vibratory road roller, measures have been taken to lower the noise and vibration level and good effect has been resulted.
对压路机试车场噪声与振动进行分析研究，采取几项措施的综合治理，试车场的减振降噪取得较好的效果。
Based on the tests for emulsified diesel oil on a diesel engine, this paper presents test research on economical results, startability, vibration, noise, exhaust gas constituent and smoke.
本文以试验研究为基础，对柴油机燃用乳化油的节能效果，以及对柴油机起动性能、振动、噪声、排气成份和烟度等做了试验研究，并对乳化油生成及节能机理进行了论述。
The results of real vehicle test show that utilizing transfer characteristics model can identify the main noise and vibration sources and their contribution to exterior acceleration noise of vehicle.
实车试验结果表明，利用传递特性模型可以确定车外加速噪声的主要振源、声源及其贡献。
The test and analysis about the vibration damping and noise reduction of the canned coolant pump are studied.
对核动力装置屏蔽式冷却剂泵的减振降噪进行了测试与分析。
The test and analysis about the vibration damping and noise reduction of the canned coolant pump are studied.
对核动力装置屏蔽式冷却剂泵的减振降噪进行了测试与分析。
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