节点文献
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】 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.
【基金】 中国地震局“九五”重点资助项目(9501-0102,9501-0110)
- 【文献出处】 武汉大学学报(信息科学版) ,Geomatics and Information Science of Wuhan University , 编辑部邮箱 ,2008年07期
- 【分类号】P315.62
- 【被引频次】4
- 【下载频次】113