Developing progress of China Seismo-Electromagnetic Satellite project
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摘要: 中国电磁监测试验卫星工程项目于2013年正式批准立项，卫星预计于2017年8月发射入轨，设计在轨运行5年，这是我国地震立体观测体系的第一个专用天基平台. 本文简要介绍了电磁卫星工程设计和卫星工程六大系统的功能与任务，并对卫星系统和应用系统的研制情况予以阐述. 目前，已基本完成卫星平台和有效载荷设计初样阶段的研制，将于2016年6月转入正样研制阶段. 应用系统基础平台的建设工作按计划进行，将在卫星发射前半年开始试运行，以确保电磁监测试验卫星数据的有效应用.Abstract: China Seismo-Electromagnetic Satellite (CSES) project was approved in 2013. The satellite will be launched by the end of August, 2017, and its lifetime is five years. It is the first space-based platform of three-dimensional earthquake monitoring system in China. This paper first briefly introduces the design and task of six systems in the CSES project, then gives recent progresses of satellite system and data application system. At present, satellite platform and payloads prototype developing work have been completed. At the end of June 2016, flight model phase is to start. The development of application system foundation platform will be carried out as planned, and it will begin half-year trial before satellite launch so as to ensure the effective application of CSES data.
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Keywords:
- CSES /
- satellite platform /
- application system /
- developing progress
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图 2 中国电磁监测试验卫星重点观测区域(绿色网络)示意图
Figure 2. Schematic diagram for key observation areas (green grids) of CSES
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图 5 发射状态(a)和飞行状态(b)下的卫星平台构型图
Figure 5. Configuration of satellite platform at the initial launching state (a) and orbit state (b)
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图 7 34个三频信标接收站的分布图
Figure 7. Distribution of 34 tri-band beacon receiving stations (dots) Pinkish dots denote ascending orbits, blue dots denote descending orbits, orange line denotes link of Capital Circle area, and blue line denotes the link of North-South Seismic Belt
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图 8 比测校验场台站分布图
Figure 8. Distribution of the ground stations for comparison and validation
表 1 中国电磁监测试验卫星的载荷探测物理量及其探测范围
Table 1 Payloads and observation targets of the CSES satellite
探测对象 载荷探测仪器 物理量 探测范围 感应式磁力仪 磁场强度 频带：10 Hz—20 kHz 电磁场 高精度矢量磁强计 磁场强度 频带：DC—15 Hz 电场探测仪 电场强度 频带：DC—3.5 MHz 等离子体分析仪 离子密度离子温度 离子成分：H+，He+，O+离子密度：500—107 cm-3离子温度：500—104 K 等离子体 朗缪尔探针 电子密度电子温度 电子密度：500—107 cm-3电子温度：500—104 K GNSS掩星接收机 电子总含量 GNSS掩星信号 三频信标机 电子总含量 150，400，1067 MHz频率信号 高能粒子 高能粒子探测器(含高能段、低能段和太阳X射线探测) 质子通量
电子通量质子：2—200 MeV
电子：100 keV—50 MeV
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