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区域地电场观测数据分析研究
引用本文:张颖,席继楼.区域地电场观测数据分析研究[J].地震地磁观测与研究,2008,29(3):29-34.
作者姓名:张颖  席继楼
作者单位:1. 中国沈阳,110034,辽宁省地震局
2. 中国北京,100036,中国地震局地震预测研究所
摘    要:在对地电场观测方法进行了概要介绍的基础上,利用自己编写的不同台站之间观测数据的相关分析软件和MAPSIS中的谱分析功能,对“首都圈”地区部分台站地电场观测数据进行了分析研究,包括相关性研究和频谱特性研究等。研究结果表明:①在正常观测条件下,小区域地电场台网观测数据有一定的相关性,频谱特性具有一定的相似性;地电场台站之间的观测数据的相关性,似乎与台距有一定的关系;②通过多个台站的相关性分析和频谱特性分析,可以对地电场数据的变化情况如干扰,漂移等进行初步评判和辐助研究。

关 键 词:地电场  相关分析  频谱分析

Analysis and study on the observation data of regional geoelectric field
Zhang Ying,Xi Jilou.Analysis and study on the observation data of regional geoelectric field[J].Seismological and Geomagnetic Observation and Research,2008,29(3):29-34.
Authors:Zhang Ying  Xi Jilou
Institution:Zhang Ying, and Xi Jilou(1.Earthquake Administration of Liaoning Province, Shen yang 110034, China; 2. Institute of Earthquake Science, China Earthquake Administration, Beijing 100036, China)
Abstract:In this paper, the observation data of geoelectric field in the Capital Circle Region are stud- ied. The analysis method used here include correlation and spectrum analysis base on observation of geoelectric field with correlation analysis software MAPSIS and developed by the author-selves. The results show that, in the common condition, observation data are mutually correlative and spectra are similar each other in the small regional geoelectric station net, and the correlation of data between geoelectric stations seems to relative with the distance between stations. The result also shows that, through correlation and spectrum analysis between multi-station, the change of geoelectric field data such as interference and excursion can be judged and studied primarily.
Keywords:geoelectric field  correlation analysis  spectrum analysis
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