High-Resolution FMCW Radar for Small UAV Detection Using GNU Software-Defined Radio. - Pisit Janpangngern; P. Changnam; W. Charoensiri; S. Samroeng; J. Pakprom; Chanchai Thongsopa; Apichart Intarapanich; Thanaset Thosdeekoraphat; Nuchanart Santalunai; Samran Santalunai (IEEE Access, 2025)