CHANDRASEKHAR, K.; HAMSAPRIYE, D.; LAKSHMEESHA, V. Analysis of Pisarenko Harmonic Distortion (PHD) based subNyquist rate spectrum sensing for broadband Cognitive Radio. Defence Science Journal, [S. l.], v. 67, n. 1, p. 80–87, 2016. DOI: 10.14429/dsj.67.9770. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/9770. Acesso em: 16 jun. 2025.