Improving the Direction of Arrival Estimation Using the Parasitic Subspace Generated by Active-Parasitic Antenna (APA) Arrays . Journal of Engineering, [S. l.], v. 30, n. 01, p. 173–189, 2024. DOI: 10.31026/j.eng.2024.01.11. Disponível em: https://joe.uobaghdad.edu.iq/index.php/main/article/view/2124. Acesso em: 30 mar. 2025.