[2] I D B Eviton, J Kirk, I Lobsinger. Ultra-high resolution Cartesian abosolute optical encoder[C]. SPIE, 2003, 5190: 111-121.
[3] Kong Zhiyong,Ai Hua, Xiong Jingwu. The matrix photoelectric rotary encoder using the self imagery technique of grating[J]. Chinese Journal of Scientific Instrument, 2002, 23(1): 3-55.
[4] Zhao Zhiwei. Development of an absolute three axes linkage multiloop encoder[J]. Journal of Changchun University of Science and Technology: Natural Science Edition, 2009, 32(1): 8-10.
[6] Zhao Bo. Absolute type three grades combined photoelectric shaft encoder[J]. Control & Automation, 2008, 24(5): 12-14.
[7] D Mancini, E Cascone, P Schipani. Galileo high-resolution encoder system[C]. SPIE, 1997. 328-334.
[9] Zhao Zhiwei, Chen Yun. A new type of absolute shaft photoelectric encoder based on metal code disc[J]. Chinese Journal of Sensorsand Actuators, 2010, 23(5): 656-659.
[12] Zhao Yong, Su Xianyu, Zhang Qichan. Phase subdivision of absolute coding grating and application in displacement measurement[J]. Acta Optica Sinica, 2011, 31(8): 0812005.
[14] Chen Dingyue. Research on environment vibration experiment upon optical precision spaceflight apparatus during transportation[J]. Chinese Journal of Scientific Instrument, 2006, 27(7): 711-714.