TY - JOUR TI - Formation and analysis of thermal images for infrared radiations from top of the atmosphere AU - YOUSUFZAI, U.A. AU - IQBAL, M.J. AU - AFRIDI, F. JO - Sigma Journal of Engineering and Natural Sciences PY - 2026 VL - 44 SP - 465 EP - 477 DO - 10.14744/sigma.2026.1992 ER -