GUO, Junmei; CHEN, Qingchun. Smart Course Construction for Signal Analysis and Processing: A Three-Dimensional Ecological Framework Based on Knowledge Graphs and AI Tutoring. Artificial Intelligence and Digital Technology, [S. l.], v. 3, n. 4, p. 65–71, 2026. DOI: 10.70088/9q7ny236. Disponível em: https://soapubs.com/index.php/AIDT/article/view/2962.. Acesso em: 4 oct. 2026.