De-noising of 1-D Signals using Fourier Transform and Haar Wavelet. International Journal of Current Engineering and Technology, [S. l.], v. 4, n. 5, p. 3636–3639, 2014. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/1423. Acesso em: 10 apr. 2026.