2021. Method for Estimation the Number of Frequency Elements per Symbol for Signal with Fast Frequency Hopping and Frequency Manipulation. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia. 84 (Mar. 2021), 48–56. DOI:https://doi.org/10.20535/RADAP.2021.84.48-56.