大同中心地震台体应变观测资料干扰因素分析及运行质量评价  

Interference Factor and Operation Quality Evaluation of Volumetric Strain Observation Data at Datong Station

作　　者：李文超[1,2] 闫美蓉[1,2] 刘发[1,2] 韩胜 彭丽娟[1,2] 高存英[1,2] LI Wen-chao;YAN Mei-rong;LIU Fa;HAN Sheng;PENG Li-juan;GAO Cun-ying(Datong Central Seismological Station of Shanxi Earthquake Agency,Datong,Shanxi 037008,China;State Key Observatory of Shanxi Rift System,Taiyuan,Shanxi 030025,China)

机构地区：[1]山西省地震局大同中心地震台,山西大同037008 [2]太原大陆裂谷动力学国家野外科学观测研究站,山西太原030025

出　　处：《山西地震》2018年第3期42-45,共4页Earthquake Research in Shanxi

基　　金：山西省地震局科研项目(SBK-1616)

摘　　要：文章通过对大同中心地震台TJ-Ⅱ型钻孔体应变仪近几年的观测资料进行分析,识别日常观测中的干扰因素。从自然环境、仪器自身、电源干扰、人为干扰、外界环境等方面引起的典型干扰动态特征分析,总结各种干扰因素对观测资料的影响;通过对体应变仪观测数据内精度的分析,对仪器进行综合评价,找出影响观测质量的因素。The interference factors in daily observation of TJ-Ⅱ borehole volumetric strain gauge in Datong Central Seismological Station are identified based on the observation data in recent years.The effects of various interference factors on the observation data are summarized from the dynamic characteristics of natural environment,the instrument itself,the power interference,the human interference and the environment.Through the analysis of the internal accuracy of the observation data of volumetric strain gauge,comprehensive evaluation of the instrument is done to find out the factors that affect the observation quality.

关 键 词：体应变 干扰 运行质量 

分 类 号：P315.99[天文地球—地震学]