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。
2
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.