IVANOV, Ivan; ANGELOV, Mario. DESIGN AND IMPLEMENTATION OF SOFTWARE-DEFINED PI/4-DQPSK MODEM WITH RECEIVE ANTENNA DIVERSITY. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 3, p. 101–104, 2024. DOI: 10.17770/etr2024vol3.8108. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/8108.. Acesso em: 3 jul. 2024.