摘要
本文介绍了速度型拾振器低频特性的拓展技术研究.在小体积的往复式摆上利用无源伺服技术、有源伺服技术和闭环极点补偿技术,实现了速度型拾振器低频特性和测量量程的扩展,满足了(超)低频工程振动测量的需要.
This paper introduces low frequency characteristic extension technique of velocity vibration sensor.Thepassive servo technology,active servo technology and the closed-cycle pole compensation technology are used to ex-tend the measuring range of displacement amplitude,improve low frequency characteristic of the high-frequency veloc-ity sensor and to meet the requirements of engineering(ultra)low frequency vibration measuring.
出处
《地球物理学进展》
CSCD
2004年第4期759-763,共5页
Progress in Geophysics
基金
哈尔滨市重点科技攻关项目(0014211044)科技部技术开发研究专项基金项目.
关键词
拾振器
低频特性拓展
无源伺服
有源伺服
闭环极点补偿
vibration sensor
low frequency characteristic extension
passive servo
active servo
closed—cycle pole compensation