DEVIKA; MONALISA NAYAK; KODANDA DHAR SA. Non-Stationary Signal Analysis A Modified Time Frequency Approach. International Journal of Computer Engineering in Research Trends, [S. l.], v. 4, n. 7, p. 313–317, 2017. Disponível em: https://www.ijcert.org/index.php/ijcert/article/view/708. Acesso em: 10 jun. 2026.