7E.Sisinni,A.Flammini,D..Marioli,A.Taroni.A PLD based encoder interface with accurate position and velocity estimation, Proceedings of the 2002 IEEE International Symposium on Industrial Electronics( ISIE 2002),2:606-611.
8Z.D.Buckner,M.L. Reed, J.H.Aylor.Antialiasing Encoder Interface With Sub-Nyquist Sampling, IEEE Transactions on Instrumentation and Measurement,2006,(6):2029-2033.
9F.Curticapean and J.Niittylahti,Exact analysis of spurious signals in direct digital frequency synthesizers due to phase truncation,Electron.Lett.2003,36(6):499-501.
10D.Al-Khalili and J.M.P.Langlois,Phase to sine amplitude conversion system and method,European Patent 1286258, Feb. 2003.
