代县台宽频带倾斜仪观测效能评价  

Evaluation of Observation Efficiency of Broadband Tiltmeter at Daixian Station

作　　者：张青玄[1,2] 马金平[1,2] 祁振东 贾海玉[1,2] 靳玉科[1,2] 杨甜 ZHANG Qing-xuan;MA Jin-ping;QI Zhen-dong;JIA Hai-yu;JIN Yu-ke;YANG Tian(Daixian Central Seismic Station,Earthquake Administration of Shanxi Province,Daixian,Shanxi 034200,China;National Continental Rift Valley Dynamics Observatory of Taiyuan,Taiyuan,Shanxi 030025,China)

机构地区：[1]山西省地震局代县中心地震台,山西代县034200 [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》2019年第2期50-53,56,共5页Earthquake Research in Shanxi

摘　　要：通过对代县台VP垂直摆倾斜仪观测资料的分析,总结出目前主要存在的干扰因素及其特征。分析忻州及周边地区中强以上地震前后仪器观测资料有无异常变化及其主要特征,研究近震和远震发生前观测数据是否存在趋势性变化和短周期变化。对仪器观测资料进行内精度计算,找出影响观测质量的原因,提高代县台垂直摆的观测质量。By analyzing the data of VP vertical pendulum tiltmeter at Daixian station,the main interference factors at present and their characteristics are studied in this paper.In addition,based on the analysis of the anomalies and main characteristics of the instrumental observation data before and after moderate and strong earthquakes in Xinzhou and its surrounding areas,the trend and short-period changes of observation data before and after the occurrence of near and far earthquakes are studied.In order to improve the observation quality of vertical pendulum at Daixian Station,the internal accuracy of the instrument observation data is calculated and the reasons affecting the observation quality are found out.

关 键 词：宽频带倾斜仪 干扰因素 变化特征 内精度 

分 类 号：P315.62[天文地球—地震学]