A low cost and effective calibration method for the broadband feedback seismometer is described, and the results of practical calibration and data processing method are given in this paper.
阐述了一种低成本有效标定宽频带负反馈地震计的方法，给出了实际标定结果和数据处理方法。
On condition that the open-loop parameters are given, the loop filter of feedback seismometer with a velocity transducer is one of the key factors of effecting seismometer main technical performances.
在开环参数一定的条件下，速度传感反馈地震计中的环路滤波是影响地震计主要技术指标的关键环节之一。
The model JD-2F bore-hole seismometer has been successfully developed on the basis of the model JD-2 deep well seismometer after improving technology and introducing electronic feedback technology.
JD - 2f型井下地震计是在JD - 2型深井地震仪的基础上，经过进一步的技术改进并引入电子反馈技术而研制成功的。
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