| 差动输出型力平衡加速度传感器设计与噪声测试 |
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| 引用本文： | 李彩华,李小军,滕云田.差动输出型力平衡加速度传感器设计与噪声测试[J].地震地磁观测与研究,2014(1):219-223. |
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| 作者姓名： | 李彩华 李小军 滕云田 |
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| 作者单位： | 中国地震局地球物理研究所,中国北京100081 |
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| 基金项目： | 中国地震局地球物理研究所院所长基金资助（项目编号DQJB12821） |
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| 摘 要： | 改进力平衡加速度传感器的机械设计和电路设计，使其幅频特性、动态范围、噪声等性能具有较大提升，且稳定性较好。该产品的实际测试结果证明其动态范围达到130 dB，能够满足强震动监测需求。
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| 关 键 词： | 差动电容 幅频特性 线性度 动态范围 噪声 |
Design and noise test on new differential-output force balanced accelerometer |
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| Li Caihua,Li Xiaojun,Teng Yuntian.Design and noise test on new differential-output force balanced accelerometer[J].Seismological and Geomagnetic Observation and Research,2014(1):219-223. |
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| Authors: | Li Caihua Li Xiaojun Teng Yuntian |
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| Institution: | (Institute of Geophysics, China Earthquake Administration, Beijing 100081, China) |
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| Abstract: | In order to get perfect specifications of accelerometer,an improved mechanical design and electric circuit were used in this research.So the amplitude-frequency characteristic,dynamic range and noise of the new differential-output accelerometer were greatly increased.The result of noise test in Baijiatuan hole,Beijing proved that the dynamic range of the acceler-ometer is 130 dB. |
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| Keywords: | differential capacitor amplitude-frequency characteristic linearity dynamic range noise |
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