The magneto-resistive magnetometer of BCU on the tatiana-2 satellite

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Title:	The magneto-resistive magnetometer of BCU on the tatiana-2 satellite
Authors:	江士標;Liu, Li-Yeh;Jiang, Shyh-Biau;Yeh, Tse-Liang;Yeh, Huey-Ching;Liu, Jann-Yeng;Hsu, Ying-Hao;Peng, Ji-Yi
Contributors:	工學院機械工程學系
Keywords:	AMR sensor;Calibration;Current density;Current distribution;Data analysis;Data processing;Field aligned currents;Field-aligned current;Flight;Geomagnetic field;Geomagnetism;Ionosphere;Latitude;Magnetic field;Magnetic fields;Magneto-resistive magnetometer;Magnetometers;Power consumption;Pre-flight calibration;Satellites;Taiwan;Tatiana-2;Weight reduction
Date:	2012-06-01
Issue Date:	2026-04-23 15:30:40 (UTC+8)
Publisher:	Chinese Geoscience Union;Taiwan: 中華民國地球科學學會
Abstract:	摘要： The magneto-resistive magnetometer (MRM) of the Block of Central University (BCU) payload onboard the Tatiana-2 satellite is made of anisotropic magneto-resistive (AMR) sensor chips, which have appealing features of small size (10 × 15 × 7 mm3), light weight (2 grams) and low power consumption (100 mW). The small MRM is packaged together with other instrument/subsystems of the BCU into a 1.6 kg payload box for convenient installation. In this report, we present the design, calibration, and flight data analysis of the MRM. In particular, the detailed methods of pre-flight calibrations are described. The calibrated data revealed typical patterns of the global geo-magnetic field structure and of field-aligned current (FAC) distribution in the high latitude ionosphere, though the MRM of BCU only has a resolution of 24 nT and a sampling rate of 2.22 Hz. Moreover, the current density derived from our magnetic field measurements are about 2 and 3 μA m-2, respectively, for downward and upward FAC, which are comparable to those typically observed at auroral latitudes during a quiet geomagnetic condition. 出版者： Taiwan: 中華民國地球科學學會出版日期： 2012-06-01 出處： TAO : Terrestrial, atmospheric, and oceanic sciences, 2012-06, Vol.23 (3), p.317-326 資源來源：華藝線上圖書館版權： 2012. This work is licensed under https://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. 識別號： ISSN: 1017-0839 識別號： ISSN: 2223-8964 識別號： ISSN: 2311-7680 識別號： EISSN: 2311-7680 識別號： DOI: 10.3319/TAO.2011.11.07.01(AA)
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