HIỆP. RESEARCH AND FABRICATION OF DEVICE FOR NON-CONTACT MEASUREMENT OF HEART AND RESPIRATION RATES BASED ON RADAR DOPPLER 24 GHZ. Journal of Military Science and Technology, [S. l.], n. 71, p. 40–48, 2021. DOI: 10.54939/1859-1043.j.mst.71.2021.40-48. Disponível em: https://jmst.mod.gov.vn/index.php/jmst/article/view/102. Acesso em: 12 mar. 2026.