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由于数字磁强计本身制作和生产安装的精度差异,产生了数字磁强计的系统误差。通过对数字磁强计的系统误差进行详细分析和理论计算,建立了误差方程,并提出了一种简单有效的系统误差补偿方法—八位置标定方法,并对此方法进行了实验验证。实验结果表明:该方法可以较好地补偿数字磁强计的系统误差,提高航向测量精度。
Due to the digital magnetometer itself produced and installed production accuracy differences, resulting in systematic errors of the digital magnetometer. Through the detailed analysis and theoretical calculation of the systematic errors of the digital magnetometers, the error equation is established, and a simple and effective system error compensation method - eight-position calibration method is proposed. The method is verified by experiments. The experimental results show that this method can better compensate the systematic errors of digital magnetometers and improve the accuracy of heading measurement.