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测震仪器定向方法探讨
引用本文:李少睿,董平江,罗治国.测震仪器定向方法探讨[J].地震地磁观测与研究,2012,33(5):250-254.
作者姓名:李少睿  董平江  罗治国
作者单位:中国西安710068,陕西省地震局
基金项目:中国地震局监测预报司测震台网青年专项
摘    要:测震仪器架设前须确定符合规范精度要求的NS向方位线,由于条件制约,以前NS向方位线基本借助罗盘确定,受磁偏角及外界干扰因素影响,定向精度较差。对目前使用的罗盘、寻北仪及波形相关性定向方法进行对比分析,探讨实际操作中各种定向方法的实用性。

关 键 词:测震仪器定向  罗盘  寻北仪  波形相关性

Discussion on the measurement methods of seismic instrument orientiation
Li Shaorui , Dong Pingjiang , Luo Zhiguo.Discussion on the measurement methods of seismic instrument orientiation[J].Seismological and Geomagnetic Observation and Research,2012,33(5):250-254.
Authors:Li Shaorui  Dong Pingjiang  Luo Zhiguo
Affiliation:(Earthquake Administration of Shaanxi Province, Xi'an 710068, China)
Abstract:The NS direction line complied with the requirement of precision specification must be determined before setting up the seismic instrument. Due to the interference of magnetic declination and some other external factor, the orientating precision of this approach which used to take advantage of the compass is low. In this paper, The orientation methods, include compss, north-finding instrument and waveform correlation, are analyzed and compared. The practicability in actual operation of these mathods is also discussed.
Keywords:seismic instrument orientation  compass  north finding  waveform correlation
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