Take celestial azimuth and find compass error on each watch if the weather is fine.
如天气好,每一班测取天体方位求出罗经差。
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An error compensation method for intelligent electromagnetic compass ( IEMC ) is studied.
研究了一种智能电子罗盘的误差 补偿问题 .
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三轴磁强计的罗差主要包括硬铁误差、软铁误差和对准误差。
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