Gao, Shanshan, Shaoqiu Xiao, and Jia-Lin Li. “Compact Ultra-Wideband (UWB) Bandpass Filter With Dual Notched Bands”. Applied Computational Electromagnetics Society Journal (ACES) 27, no. 10 (November 12, 2021): 795–900. Accessed May 14, 2026. https://journals.riverpublishers.com/index.php/ACES/article/view/12327.