速度型拾振器低频特性的拓展技术研究

Research into the extension techniques for the capacity of vibrating velocity sensors in low-frequency band

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.