ALIVIA, Annisa Risda; AZIZAH, Syasya Qonita; ALOK SHUKLA. The least squares concept in reducing noisy signal of single-beam acoustic systems: Ocean depth measurement to support maritime defense systems. International Journal of Applied Mathematics, Sciences, and Technology for National Defense, [S. l.], v. 3, n. 3, p. 161–170, 2025. DOI: 10.58524/app.sci.def.v3i3.643. Disponível em: https://journal.foundae.com/index.php/JAS-ND/article/view/643. Acesso em: 12 jan. 2026.