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火星空间环境磁场探测研究-高精度磁强计
Alternative TitleMartian Space Environment MagneticField Investigation-High Accuracy Magnetometer
周斌; 赵华; 王劲东; 陈斯文; 廖怀哲; 朱光武; 王赤; 张鑫; 李磊; 孙越强; 冯永勇; 周敬萱; 陶然; 北京8701信箱
Department太阳系探测联合研究中心
Source Publication空间科学学报
2009
Volume29Issue:5Pages:467-474
ISSN0254-6124
Language中文
Keyword火星探测 磁场探测 磁通门磁强计
Abstract萤火一号卫星将对火星空间环境磁场实施探测.火星磁场对火星弓激波,磁鞘,电离层,大气等绝大多数空间环境效应都具有重要影响,萤火一号对火星磁场的探测是通过搭载于其上的科学载荷磁强计来实现的.此磁强计在工作原理及具体设计上,考虑了火星轨道严酷的工作环境和科学目标所需的测量要求.通过装星前的地面标定测试,验证了萤火一号磁强计可以在-130-75℃温度范围内测量±256nT以内的磁场,分辨率可达到0.01nT,带宽内总噪声小于0.03nT,能够满足萤火一号对火星空间环境探测的需求.
Other AbstractThis paper presents the purpose, design and methods of the exploration of Martian Space Environmental Magnetic Field by Yinghuo-1 (YH-1). YH-1 is the first Chinese Martian Space Environment Exploration Orbiter, which would be launched with Russian spacecraft "Phobos-Grunt"in October, 2009, and will reach Mars orbit in September, 2010. The main scientific objectives of the YH-1 mission are related with Martian space magnetic field structure and dynamic processes, and a fluxgate magnetometer was considered to be one of the most import payloads in the YH-1 orbiter.The instrument is designed to work in harsh environment around Mars orbit and to collect high resolution data in operational orbit. Two three-component fluxgate type sensors are installed in one boom with separation distance of 45 cm, and gradiometer mode is used to minimize the remnant field of platform. The boom is located at the tip of the deployable solar panel, and the distance between the center of the spacecraft and the outer sensor is about 3.2 m. The operation temperature of YH-1 magnetometer sensors is expected in the range一130}}-750C and the dynamic range is士256 nT in 16-bit resolution.With a very low noise level below 0.01 nT}Hz-1}2, this magnetometer can measure three-component magnetic field from DC to 10 Hz.The magnetometer will work together with a Plasma Package onboard this orbiter to complete exploration of Martian space environment.The total mass of this magnetometer package is about 2.5地,and power consumption is 6.8 W.
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1560
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
周斌,赵华,王劲东,等. 火星空间环境磁场探测研究-高精度磁强计[J]. 空间科学学报,2009,29(5):467-474.
APA 周斌.,赵华.,王劲东.,陈斯文.,廖怀哲.,...&北京8701信箱.(2009).火星空间环境磁场探测研究-高精度磁强计.空间科学学报,29(5),467-474.
MLA 周斌,et al."火星空间环境磁场探测研究-高精度磁强计".空间科学学报 29.5(2009):467-474.
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