初始对准是捷联惯导系统进行导航的前提，初始对准的好坏将直接影响到系统的导航精度。捷联惯导系统(SINS)初始对准的本质是确定载体的初始姿态。-The initial alignment of strapdown inertial navigation system is the premise for navigation, initial alignment will directly affect the quality of th