周云耀, 吴涛, 王墩. 甚宽频带地震计二阶传递函数的精确测定方法研究[J]. 武汉大学学报 ( 信息科学版), 2008, 33(7): 730-734.
引用本文: 周云耀, 吴涛, 王墩. 甚宽频带地震计二阶传递函数的精确测定方法研究[J]. 武汉大学学报 ( 信息科学版), 2008, 33(7): 730-734.
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ZHOU Yunyao, WU Tao, WANG Dun. Precise Test Methods of 2nd Order Transfer Function for Ultra Broadband and Very Broadband Seismometer[J]. Geomatics and Information Science of Wuhan University, 2008, 33(7): 730-734.
Citation: ZHOU Yunyao, WU Tao, WANG Dun. Precise Test Methods of 2nd Order Transfer Function for Ultra Broadband and Very Broadband Seismometer[J]. Geomatics and Information Science of Wuhan University, 2008, 33(7): 730-734.
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甚宽频带地震计二阶传递函数的精确测定方法研究

Precise Test Methods of 2nd Order Transfer Function for Ultra Broadband and Very Broadband Seismometer

    摘要
  • 摘要: 介绍了从速度输出通道测定超宽频带与甚宽频带地震计二阶传递函数的时域响应的测试方法,详细分析了低频响应分离法的原理。分析与应用表明,二阶传递函数的测试方法大大降低了标定过程中的计算难度,提高了标定的效率和精度。

     

    Abstract: The methods of testing the 2nd order transfer function of ultra broadband and very broadband seismometer from acceleration and velocity output are introduced;the test mothod of time-domain response of velocity output is discussed;and the principle of low-frequency response deseparature method is analyzed in detail.The results show that the test methods have degraded computation difficulties in course of calibration and raised efficiency and precision of calibration.

     

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