%0 Journal Article %T Design of motion adjusting system for space camera based on ultrasonic motor %A Xu, Kai %A Jin, Guang %A Gu, Song %A Yan, Yong %A Sun, Zhiyuan %J Proceedings of SPIE %V 8196 %N 1 %P 819622-819622-7 %@ 0277-786X %D 2011-06-09 %I SPIE %~ DeepDyve