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Development of Fluxgate Magnetometer for YH-1 Mars Probe
Author(s): WANG Jin-dong, ZHOU Bin, ZHAO Hua, LIAO Huai-zhe
Pages: 174-
178
Year: 2013
Issue:
4
Journal: Aerospace Shanghai
Keyword: 火星探测; 磁场探测; 磁通门磁强计;
Abstract: 对萤火一号(YH-1)火星探测器高精度磁通门磁强计研制进行了研究.介绍了磁强计的工作原理和基本构成.给出了采用的双探头梯度法、干扰磁场及低噪声信号处理等高精度空间磁场测量技术,以及磁强计传感器环境适应性设计.测试与标定结果表明:设计的磁强计在温度-140~75℃范围对±256 nT以内的空间矢量磁场进行高精度测量,分辨率达0.01 nT,带宽内总噪声小于0.03 nT,满足YH-1任务对火星空间环境磁场探测的需求.
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