| 中国电磁卫星地面对比观测系统方案研究 |
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| 引用本文： | 张宇,王兰炜,申旭辉,张兴国,张世中,颜蕊.中国电磁卫星地面对比观测系统方案研究[J].地震学报,2016,38(3):458-466. |
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| 作者姓名： | 张宇 王兰炜 申旭辉 张兴国 张世中 颜蕊 |
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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： | 基金项目国家自然科学基金41374127 |
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| 摘 要： | 针对我国即将发射的电磁监测试验卫星观测物理量和观测频段， 结合我国现有地基观测基础和对比观测需求， 本文提出了地面对比观测系统设计方案， 包括观测对象、 观测频段和观测区域的选取以及台网布局方式． 在此基础上， 根据该方案在甘肃省天祝前兆台阵区域建立了古丰、 寺滩和坪城等3个台站的地面对比观测原型系统， 并取得了电磁场的初步观测资料． 对观测资料的分析结果表明， 地电场和地磁场观测数据呈典型的日变化形态， 具有较好的同步性和一致性， 能够真实地反映小区域地电场和地磁场的变化． 该结果可为今后开展试验性的星地联合观测和建立我国地震电离层立体监测体系提供技术支撑.
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| 关 键 词： | 电磁卫星 观测系统 对比观测 原型系统 电磁场 |
| 收稿时间： | 2015-11-23 |
Ground-based comparative observation system in China Seismo-Electromagnetic Satellite mission |
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| Institution: | 1.Institute of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China;2.Beijing Engineering Research Center of Earthquake Observation, Beijing 100085, China |
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| Abstract: | Considering satellite observation physical quantities and frequency-bands of China Seismo-Electromagnetic Satellite (CSES) as well as present situation of ground-based observation and comparative observation requirements in China, this paper proposed a design scheme for ground-based comparative observation system in CSES mission. According to the design scheme, three ground-based comparative observation systems Gufeng, Sitan and Pingcheng were established in Tianzhu area of Gansu Province, and preliminary observation data of electric field and magnetic field were obtained. The data analysis results show that the curves of electric field and magnetic field exhibit typical diurnal variation waveform with good synchronization and consistency, which can really reflect the intensities of electric and magnetic fields as well as their changes in a small region. Therefore, the result provides technical basis for satellite-ground joint observation and develop of stereo seismo-ionospheric monitoring system. |
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