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兵工学报  2012 

基于总体最小二乘的捷联三轴磁力仪标定与地磁场测量误差补偿

, PP. 1202-1209

Keywords: 信息处理技术,三轴磁力仪,标定,测量误差补偿,总体最小二乘

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Abstract:

?提出了一种磁力仪标定与地磁场补偿一体化的方法。对捷联三轴磁力仪的测量过程进行误差分析,建立包含磁力仪标定误差与地磁场测量误差的参数化模型。针对测量噪声的分布特性,采用基于总体最小二乘(TLS)算法对模型的参数进行了估计。仿真结果与实验结果均表明,与传统的基于最小二乘(LS)方法相比,基于TLS算法的参数估计精度更高,能够获得更好的补偿效果。

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