基于四元数平方根UKF算法的SINS/GPS紧组合导航系统研究
周卫东,乔相伟,吉宇人,郝燕玲
SINS/GPS tightly integrated navigation system based on quaternion square root unscented Kalman filter
ZHOU Wei-dong,QIAO Xiang-wei,JI Yu-ren,HAO Yan-ling
Journal of Systems Engineering and Electronics . 2010, (12): 2643 -2647 .  DOI: 10.3969/j.issn.1001-506X.2010.12.31