The simulation results show that the constant gyro drifts and the heading errors, which provide information for calibrating the system errors, can be estimated exactly.

由仿真结果可以看出，它能较精确地估计陀螺常值漂移和航向角误差，为系统误差的校正提供了可信信息。

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Using astronavigation theory, the algorithm of calibrating the constant gyro drifts of ESG strapdown inertial navigation system and carrier heading is presented in this paper.

本文应用天文导航理论，根据GPS提供的位置信息，对静电陀螺捷联导航系统陀螺常值漂移和载体航向角进行校正的算法进行了研究。

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