WASET
    Xiang Yu and  Chuntao Feng and  Lu Yang and  Meiyang Song and  Wenhao Zhou,  Human Fall Detection by FMCW Radar Based on Time-Varying Range-Doppler Features.   journal   = {International Journal of Computer and Systems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2022, vol. 188(8). 318 - 323
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10012637.