[1] [1] QI L L, WAN Q H. Angle-Measurement Technology of an Optical Pattern Rotary Encoder and Its Hardware Implementation［J］.Acta Optica Sinica, 2013, 33(4):0412001-1-10. (in Chinese)

[2] [2] SUN Y, WAN Q H, WANG SH J, et al.. Design of signal process system for spaceborne photoelectric encoder ［J］.Opt.Precision Eng., 2010, 18(5):1182-1188. (in Chinese)

[3] [3] LIU CH SH, WANG X J, HAN X D, et al.. Ultra miniature absolute optical encoders based on eight-matrix coding ［J］.Opt.Precision Eng., 2010, 18(2): 326-333. (in Chinese)

[4] [4] WANG X J. Errors and precision analysis of subdivision signals for photoelectric angle encoders［J］. Opt.Precision Eng., 2012, 20(2): 379-386. (in Chinese)

[5] [5] WATANABE T, FUJIMOTO H, MASUDA T.Self-calibratable rotary encoder ［C］.Journal of Physics: Conference Series, IOP Publishing, 2005, 13(1): 240.

[6] [6] JUST A, KRAUSE M, PROBST R, et al.. Comparison of angle standards with the aid of a high-resolution angle encoder［J］.Precision Engineering, 2009, 33(4): 530-533.

[7] [7] ZHANG L S, GUAN B L.Error correction and its application to multi-joint CMM research［J］. Metrology&Measurement Technology, 2007, 27(4): 41-44. (in Chinese)

[8] [8] XIE S, ZHANG X, CHEN S, et al.. Hybrid neural network models of transducers［J］. Measurement Science and Technology, 2011, 22(10): 105201.

[9] [9] GAO G B, WANG W, LIN K, et al.. Error compensation and parameter identification of circular grating angle sensors［J］.Opt.Precision Eng., 2010, 18(8):1766-1772. (in Chinese)

[10] [10] STORN R, PRICE K. Differential evolution-a simple and efficient heuristic for global optimization over continuous spaces［J］.Journal of Global Optimization, 1997, 11(4): 341-359.