SHARIFI, Mahdi. Iterative Beamspace Covariance Refinement for Precise DOA Estimation in Uniform Circular Arrays under Low-snapshot Conditions. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 103, n. 1, p. 94–102, 2026. DOI: 10.26636/jtit.2026.1.2392. Disponível em: https://www.jtit.pl/jtit/article/view/2392. Acesso em: 14 jun. 2026.