4

Design of a panoramic annular lens with a long focal length

Niu, Shuang, Bai, Jian, Hou, Xi-yun, Yang, Guo-guang
Journal:
Applied Optics
Year:
2007
Language:
english
File:
PDF, 2.03 MB
english, 2007
13

Free Return Trajectories in Lunar Missions

Xi-yun, Hou, Yu-hui, Zhao, Lin, Liu
Journal:
Chinese Astronomy and Astrophysics
Year:
2013
Language:
english
File:
PDF, 684 KB
english, 2013
14

Formation flying in elliptic orbits with the J 2 perturbation

Hou, Xi-Yun, Zhao, Yu-Hui, Liu, Lin
Journal:
Research in Astronomy and Astrophysics
Year:
2012
Language:
english
File:
PDF, 1.82 MB
english, 2012
15

On some applications of invariant manifolds

Hou, Xi-Yun, Liu, Lin, Zhao, Yu-Hui
Journal:
Research in Astronomy and Astrophysics
Year:
2011
Language:
english
File:
PDF, 654 KB
english, 2011
16

On critical values concerning the evolution of the long period families

Hou, Xi-Yun
Journal:
Research in Astronomy and Astrophysics
Year:
2009
Language:
english
File:
PDF, 689 KB
english, 2009