%0 Journal Article %T Single-track absolute position encoding method based on spatial frequency of stripes %A Xiang, Xiansong %A Lu, Yancong %A Wei, Chunlong %A Zhou, Changhe %J Proceedings of SPIE %V 9271 %P 92711I-92711I-9 %@ 0277-786X %D 2014-11-11 %I SPIE %~ DeepDyve