1. Zhou W, Ou X, Zhou H et al (2006) Time-frequency measurement and control technology. Xi’an University Press, Xi’an
2. Zhou W, Li Z, Qiao W (2019) The most promising technology in time and frequency—digital linear phase comparison. In: 2019 National conference on time and frequency sciences (CFTS2019)
3. Wei Z (1981) A method for achieving high linearity in phase discrimination at high frequencies–single-way frequency division-controlled phase discrimination. J Metrol 01:77–81
4. Zhou W (1992) The greatest common factor frequency and its application in the accurate measurement of periodic signals. In: Proceedings of the 1992 IEEE frequency control symposium, Hershey, PA, USA, pp 270–273. https://doi.org/10.1109/FREQ.1992.270004
5. Zhou W (2000) Systematic research on high accuracy frequency measurements and control. Shizuoka University, Doctor dissertation, pp 31–39