FAULT DETECTION USING THE ZERO CROSSING RATE. Nigerian Journal of Technology, [S. l.], v. 13, n. 1, p. 16–25, 2003. DOI: 10.4314/njt.131.409. Disponível em: https://nijotech.com/index.php/nijotech/article/view/409. Acesso em: 16 apr. 2026.