Zhenyu Zhang and  Qingbin Gao,  Characterization of Extreme Low-Resolution Digital Encoder for Control System with Sinusoidal Reference Signal.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2017, vol. 125(5). 996 - 1002
    [viewed 24 September 2020]. Available from: https://publications.waset.org/pdf/10007021.