通过对6480型驱动桥的噪声功率、表面声强、表面声压、表面振动加速度以及相应的时频谱进行了全面、系统的测量和分析。
The noise power, sound intensity, sound pressure, vibration acceleration and corresponding time-frequency spectrum of 6480 driver axle surface were measured and analysed.
因此，开发一套电梯综合测试系统，为电梯测试提供更方便、快捷、准确的仪器，对电梯加速度、速度、振动、噪声等参数进行测量是必要的。
It is essential to develop a system for measuring the operation parameters of an elevator such as acceleration, velocity, vibration, noise expediently and accurately.
提出采用双伺服加速度计同轴和垂直系统的两种方法，能够解决风洞模型攻角传感测量中的抗振动干扰问题。
This paper presents two methods of using double servo accelerometers to make precision model attack angle measurements in wind tunnel testing.
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