| 地电观测中电磁干扰源定位方法研究 |
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| 引用本文： | 张宇,王兰炜,赵家骝,蒋延林,胡哲,张兴国,王福才.地电观测中电磁干扰源定位方法研究[J].地震学报,2017,39(3):367-373. |
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| 作者姓名： | 张宇 王兰炜 赵家骝 蒋延林 胡哲 张兴国 王福才 |
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| 作者单位： | 1.中国北京 100085 中国地震局地壳应力研究所 |
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| 基金项目： | 国家自然科学基金41374127中国地震局地壳应力研究所基本科研业务专项ZDJ2016-02中国地震局地壳应力研究所基本科研业务专项(ZDJ2016-02) 和国家自然科学基金(41374127) 共同资助 |
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| 摘 要： | 本文提出了一种地表偶极源干扰影响模型和动态枚举定位求解方法.该方法基于均匀电流场和点源电流场模型，由地表偶极源对不同测点的影响幅度和测点位置求解偶极源位置，并给出了仿真计算结果.利用该方法结合高邮地震台人工干扰源试验观测数据进行计算，计算结果将干扰源定位于30 m范围内的小区域, 较好地验证了本文模型和定位求解方法的正确性.该研究可为地电观测台站周边工农业漏电干扰源的定位和查找提供有效参考.
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| 关 键 词： | 地电观测 漏电干扰 偶极源 定位 动态枚举 |
| 收稿时间： | 2016-08-08 |
Location method of electromagnetic interference sources in geo-electric field observation |
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| Affiliation: | 1.Institute of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China2.Beijing Engineering Research Center of Earthquake Observation, Beijing 100085, China3.Institute of Earthquake Science, China Earthquake Administration, Beijing 100036, China4.Gaoyou Seismic Station, Earthquake Administration of Jiangsu Province, Jiangsu Gaoyou 225601, China |
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| Abstract: | This paper proposes a surface dipole interference model and a location method by dynamic enumeration. This location method adopts interference amplitude and location of different measuring electrodes to calculate location of the dipole source based on a uniform current field and a point source model. And then some simulation results are also presented. Furthermore, taking the test data of artificial interference sources experiment in Gaoyou seismic station as an example, the interference sources are located within 30 meters by this method, verifying the validity and feasibility of the model and the algorithm. The present research will provide an effective method for locating the leakage interference sources around geo-electric observation stations. |
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