在分析各种振动噪声根源的基础上，对微型直流电机的振动与噪声进行了研究，提出了解决微型电机振动噪声问题的思路和方法。
The vibration and noise root cause of PMDC motor are studied, and the solutions for the noise and vibration of micro motor are also proposed in this paper.
在振动与噪声测量实验基础之上分析总结了磁悬浮转子系统振动和噪声的分布情况，从而进一步验证了磁悬浮转子系统的支承特性。
The bearing characteristics of the magnetic suspension rotor system were validated based on the result of the analyse of the vibration and the noise measurement experiment.
针对液体射流泵的空化噪声与振动进行了试验研究；运用B&K加速度仪和水听器对射流泵各部位在不同工况下的空化噪声与振动进行了测量。
The B&K accelerometer and hydrophone were used for the measurement of the cavitation noise and vibration at different part of jet pump under different operating modes.
在分析了铁路振动与噪声及其传播规律的基础上，列出了减小铁路振动与噪声影响的方法。
Based on the analyses of the vibration and noise oft he trains and its propagation law, the methods for reducing the influence of them are put forward in this paper.
与普通电机一样，振动噪声也是永磁电机的一个重要性能指标，因此研究永磁电机的振动噪声源就显得十分有意义。
Like ordinary motors, noise and vibration of PMSM are also important performance indicators. Therefore, it is very meaningful to study noise and vibration source of PMSM.
对样机的振动与噪声进行了实验研究，通过对采集的振动与噪声信号进行频谱分析，分离出了电磁振动与噪声。
It also studied by method of experiment. The electromagnetic vibration and noise were isolated by spectral analysis to the vibration and noise signals.
本文主要研究内容：在对风机进行噪声与振动控制的研究中，需要有效的噪声振动测试手段。
The main contents in the dissertation are as follows: Through study of controlling blower's noise and vibration, it's important to select an effective noise and vibration testing method.
本文主要研究内容：在对风机进行噪声与振动控制的研究中，需要有效的噪声振动测试手段。
The main contents in the dissertation are as follows: Through study of controlling blower's noise and vibration, it's important to select an effective noise and vibration testing method.
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