X. Z. Gao and  S. J. Ovaska and  X. Wang,  A Fuzzy Predictive Filter for Sinusoidal Signals with Time-Varying Frequencies.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2007, vol. 10(10). 1591 - 1595
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/15688.