Aiming at the characteristics of RLG strapdown inertial navigation system,the performances of Kalman filter,analytic gyrocompassing and indirect estimation are analyzed in theory.

针对激光螺捷联导航系统,从理论上分卡尔曼滤波法、螺罗经法和间接估计法3种捷联导航系统常用初始对准方法。