低轨道珍珠卫星(LOPS)磁通门磁强计:飞行性能概述和初步结果

IF 1.8 4区 地球科学 Q3 GEOSCIENCES, MULTIDISCIPLINARY Geoscientific Instrumentation Methods and Data Systems Pub Date : 2021-09-09 DOI:10.5194/GI-10-227-2021
Ye Zhu, A. Du, H. Luo, Qiao Donghai, Ying Zhang, Y. Ge, Jiefeng Yang, Sun Shuquan, Zhao-Qing Lin, J. Ou, Zhifan Guo, Lin Tian
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引用次数: 2

摘要

摘要低轨道珍珠卫星系列由六个星座组成,每个星座由三颗相同的微卫星组成,就像一串珍珠。首个卫星星座于2017年9月29日发射,卫星倾角为~ 35.5°,高度为~ 600度。每颗卫星都配备了三个相同的磁通门磁力计,用于测量地球低空轨道上的原位磁场及其低频波动。三重传感器配置可以将航天器产生的杂散场效应与环境磁场分离(例如,Zhang等人,2006)。本文介绍了磁力计的总体设计、发射前的校准、飞行中校准、飞行中性能和初始结果。磁场测量的空前空间覆盖分辨率允许研究电离层和磁层的动态过程和电流,特别是在安静地磁条件和风暴期间的环电流和赤道电喷流。LOPS的磁场测量对于研究分离它们对磁层-电离层(M-I)电流系统的贡献的方法是重要的。
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The fluxgate magnetometer of the Low Orbit Pearl Satellites (LOPS): overview of in-flight performance and initial results
Abstract. The Low Orbit Pearl Satellite series consists of six constellations, with each constellation consisting of three identical microsatellites that line up just like a string of pearls. The first constellation of three satellites were launched on 29 September 2017, with an inclination of ∼ 35.5∘ and ∼ 600 km altitude. Each satellite is equipped with three identical fluxgate magnetometers that measure the in situ magnetic field and its low-frequency fluctuations in the Earth's low-altitude orbit. The triple sensor configuration enables separation of stray field effects generated by the spacecraft from the ambient magnetic field (e.g., Zhang et al., 2006). This paper gives a general description of the magnetometer including the instrument design, calibration before launch, in-flight calibration, in-flight performance, and initial results. Unprecedented spatial coverage resolution of the magnetic field measurements allow for the investigation of the dynamic processes and electric currents of the ionosphere and magnetosphere, especially for the ring current and equatorial electrojet during both quiet geomagnetic conditions and storms. Magnetic field measurements from LOPS could be important for studying the method to separate their contributions of the Magnetosphere-Ionosphere (M-I) current system.
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来源期刊
Geoscientific Instrumentation Methods and Data Systems
Geoscientific Instrumentation Methods and Data Systems GEOSCIENCES, MULTIDISCIPLINARYMETEOROLOGY-METEOROLOGY & ATMOSPHERIC SCIENCES
CiteScore
3.70
自引率
0.00%
发文量
23
审稿时长
37 weeks
期刊介绍: Geoscientific Instrumentation, Methods and Data Systems (GI) is an open-access interdisciplinary electronic journal for swift publication of original articles and short communications in the area of geoscientific instruments. It covers three main areas: (i) atmospheric and geospace sciences, (ii) earth science, and (iii) ocean science. A unique feature of the journal is the emphasis on synergy between science and technology that facilitates advances in GI. These advances include but are not limited to the following: concepts, design, and description of instrumentation and data systems; retrieval techniques of scientific products from measurements; calibration and data quality assessment; uncertainty in measurements; newly developed and planned research platforms and community instrumentation capabilities; major national and international field campaigns and observational research programs; new observational strategies to address societal needs in areas such as monitoring climate change and preventing natural disasters; networking of instruments for enhancing high temporal and spatial resolution of observations. GI has an innovative two-stage publication process involving the scientific discussion forum Geoscientific Instrumentation, Methods and Data Systems Discussions (GID), which has been designed to do the following: foster scientific discussion; maximize the effectiveness and transparency of scientific quality assurance; enable rapid publication; make scientific publications freely accessible.
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