[1] YE SH X.Accurate Measurement about Photoelectric Shift［M］.Chengdu：Science and Technology Press， 2003.(in Chinese)

[2] KRESS B.Motion and position sensors for the automotive industry ［ J ］.SPIE，2006, 6379：63790G-l-63790G- 8.

[3] EVITON D B，KIRK J，LOBSINGER I.Ultra-high resolution cartesian absolute optical encoder［J］.SPIE，2003，5190：111-121.

[4] MATSZOE Y，YOSHIZAWA T.High-performance absolute rotary encoder using multitrack and M-code［J］.Opt.Eng.，2003，42(1)：124-130.

[5] DONG L L，XIONG J W.Development of photoelectric rotary encoder［J］.Opt.Precision Eng.，2000，8(2)：198-202.(in Chinese)

[6] WAN Q H, SUN Y ,WANG SH J, et al..The design for spaceborne absolute photoelectric encoder of dual numerical system［J］.Opt.Precision Eng.，2009，17(1)：52-57.(in Chinese)

[7] XIONG W ZH,KONG ZH Y ,ZHANG W.Phase correction of quartering deviation of photoelectric rotary encoder［J］.Opt.Precision Eng., 2007，15(11)： 1745-1748.(in Chinese)

[8] TIAN SH P，ZHAO Y，WEI H Y，et al..Nonlinear correction of sensors based on neural network［J］.Opt.Precision Eng., 2006，14(5)：896-902.

[9] LUO CH ZH，CHEN L Y，SUN Y，et al..A new optical encoder［J］.Opt.Precision Eng.，2003，11(1)：104-108.(in Chinese)

[10] MATSUZOE Y，KOIZUMI K，SAITOH T.Optimizing design of high-resolution optical encoder using a point-source light-emitting diode with slits［J］.Opt.Eng.，2005，44(1)：013609-1-013609-6.

[11] CAO ZH F.Micro absolute matrix encoder［J］.Opt.Precision Eng.，1995，3(5)：65-70.(in Chinese)

[12] FEI Y T.Errors Theory and Data Processing［M］.Beijing：Mechanics and Industry Press， 2003.(in Chinese)