Affiliation: | 1. Department of Engineering and System Science, National Tsing Hua University, Hsinchu, Taiwan;2. Department of Electronics Engineering, National Chiao Tung University, Hsinchu, Taiwan;3. +886 2 77343514;4. Department of Electronic Engineering, Xiamen University, Xiamen, P.R. China;5. Department of Mechatronic Engineering, National Taiwan Normal University, Taipei, Taiwan |