为提高现有的加速度传感器的灵敏度,采用专用电荷放大器,同已有的数据采集器和测量分析软件集成,组成了便携式“微弱振动信号加速度测量系统”。实践表明,本系统能对微弱的振动加速度进行现场测量,满足测量技术要求,有较高的测量精度。 关键词:微弱振动;传感器;高灵敏度;测量分析 Abstract : To improve the sensitivity of the exiting accelerometer , an exclusive charge amplifier is integrated with a data sampler and analysis software , forming a portable micro2vibration test system. Experiment s show that the system can be use in field measurement of the acceleration of micro2vibrations with a reasonable accuracy. Key words : weak vibration ; sensors ; high sensitivity ; test analysis