HUCKER, M.; OSTERTAG, M. THE WIGNER DISTRIBUTION AS A TOOL FOR SPECTRAL ANALYSIS OF INSTATIONARY SIGNALS Periodica Polytechnica Electrical Engineering, [S. l.], v. 36, n. 3-4, p. 155–170, 1992. Disponível em: https://pp.bme.hu/ee/article/view/4518. Acesso em: 25 dec. 2024.