在捷联惯导初始对准中，由于偏航角的误差较大，对准速度较慢，增加了低通滤波器，并通过横滚角和俯仰角来加快对准速度-In SINS initial alignment, the error of yaw angle, aligning slower, increasing the low-pass filter, and through the roll angle and pitch angle to accelerate the speed of the alignment