中文说明：
西工大研一惯性测量实验的粗对准程序以及图示，参考《捷联惯导算法与组合导航原理讲义》。
English Description：
For the coarse alignment procedure and diagram of the first inertial measurement experiment of Xigong University, please refer to the lecture notes of strapdown inertial navigation algorithm and integrated navigation principle.