【摘要】 本文提出的振动传感器自动标定装置由IBM—PC微机、专用测控箱和一系列软件包组成。与低频标准振动台、功率放大器和激光测振仪配合,成功地实现了高精度程控扫频信号输出,低频和超低频振动信号计量与失真度分析,振动台定运动量控制和振动传感器的绝对、相对法标定。为一些要求经常进行大量振动传感器标定的部门提供了一种快速、准确和实用的手段。更多还原

【Abstract】 The calibration of vibration sensors is generally considered as a troublesome and time-consuming measurement task. An Atomatic Vibration sensor calibration apparatus intruduced in this paper, consists of a special purpose apparatus based on IBM-PC and a package of software. Combined with a low frequency standard vibration,platform, a power amplifier and a laser vibration amplitude measurement equipment, it can generate precision programable sinusoidal wave, control the vibration platform in a given motion level, and then measure low or ultra-low frequency voltage and its distortion, so that a vibration sensor can be calibrated by the means of both absolute and relative ways.With the appearance of the apparatus, we supply a precisive and quick measurement method for these departments such as spaceflight, aviation, earthquake and electrical power etc, in which there are large amount of vibration sensors to be calibrated every year.更多还原