On October 11, 2021 at 15-15 in classroom 3-9 there was an extended meeting of the professional scientific seminar of the Department of Theoretical Radiophysics of Kharkiv National University named after V.N. Karazina. At the seminar a presentation was given by Hao XiangYu, a PhD student of the Department of Theoretical Radiophysics, Faculty of Radiophysics, Biomedical Electronics and Computer Systems, Kharkiv National University named after VN Karazin. He presented main results of his PhD thesis “Pulse signals in waveguides with inhomogeneous filling and in tapering slot antennas (analysis in the time domain)“, that will be submitted for receiving the degree of Candidate of Sciences (PhD) in Physics and Mathematics on specialty 01.04.03 – Radiophysics.