Analytical unequal-spreading factor DCSK: A robust chaotic modulation framework for noisy channels. Periodicals of Engineering and Natural Sciences, [S. l.], v. 14, n. 1, p. 83–100, 2026. DOI: 10.21533/pen.v14.i1.1533. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/1533. Acesso em: 2 aug. 2026.