Analysis of Automatic Classification of Electrocardiogram (ECG) Beats Using Wavelet Transform and SVM and PCA-SVM . International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 4, n. 11, p. 505–510, 2017. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/4120. Acesso em: 2 nov. 2025.