1. Sun Yat-sen University,School of Systems Science and Engineering,Guangzhou,China
2. Aerospace Technology Institute,China Aerodynamics Reseach and Development Center,Mianyang,China
3. School of Mathematics Sun Yat-sen University,Guangzhou,China
4. Minnan Normal University,School of Mathematics and Statistics,Zhangzhou,China
5. Harbin Engineering University,Science and Technology on Underwater Vehicle Laboratory,Harbin,China