CHARACTERISTICS OF VIBRATIONS IN THE FORM OF WAVEFORM AND SPECTRUM THROUGH FOURIER TRANSFORM. Energy, Materials and Product Design, [S. l.], v. 4, n. 2, p. 284–292, 2025. DOI: 10.29303/enatq908. Disponível em: https://journal.unram.ac.id/index.php/empd/article/view/8261. Acesso em: 25 nov. 2025.