“A Unique Method for Detecting and Characterizing Low Probability of Intercept Frequency Hopping Radar Signals by means of the Wigner-Ville Distribution and the Reassigned Smoothed Pseudo Wigner-Ville Distribution” (2022) Global Journals of Research in Engineering, 22(F3), pp. 1–10. doi:10.34257/GJREFVOL22IS3PG1.