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

针对激光陀捷联导的特点,从理论上分析卡尔曼滤波法、解析陀法和间接估计法3种捷联导常用初始对准方法的特点。