Kapshtyk, Sergii, and Teodor Narytnyk. “METOD FOR INCREASING THE SPECTRAL EFFICIENCY OF TROPOSCATTER COMMUNICATION BASED ON THE USE OF COMPOSITE SIGNALS IN THE WALSH BASIS”. Information and Telecommunication Sciences 15, no. 2 (December 23, 2024): 25–31. Accessed September 12, 2025. https://infotelesc.kpi.ua/article/view/317489.