WASET
    Liming Zhang,  Adaptive Fourier Decomposition Based Signal Instantaneous Frequency Computation Approach.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2012, vol. 68(8). 1117 - 1122
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/2536.