船长不得不校正罗盘读数。
给出的误差补偿算法，大大提高了复杂应用模式下电子罗盘的定向精度，校正结果在工程实践中得到验证。
The digital compass's heading precision is greatly improved by using the new algorithm. The result is verified in engineering practice...
针对某无人驾驶飞艇中安装罗盘吊舱的工作状态，提出适合于野外作业环境无外部航向基准时数字磁罗盘的自差校正方法。
This paper proposed a magnetic deviation calibration strategy suitable to implementing on spot for an unmanned airship without high-accuracy heading references.
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