7MAYER J R R. High-resolution of rotary encoder analog quadrature signals[J]. IEEE Transactiotl on lnstrumenltalion and Measurement, 1994,43(3) :494-498.
8MATSUZOE Y, TSUHI N. Breadboard systcm and techniques to optimize the optical system of an cncoder [J]. Optical Engineering ,2001,40(2): 184-232.
