Khuong Dinh, Dung, Tinh Nguyen Dinh, Hung Nguyen Tuan, and Hung Vo Thanh. “X-Band Bandpass Filter Structure for Passive Radar Using SIW Technology”. Journal of Military Science and Technology 104, no. 104 (June 25, 2025): 41–48. Accessed June 26, 2025. https://online.jmst.info/index.php/jmst/article/view/1643.