Yang, L. ., Hongchun, Y. ., Yawei, W. . and Shaoqiu, X. . (2021) “Ultra-Wideband Bandpass Filter Based on Parallel-Coupled Microstrip Lines and Defected Ground Structure”, Applied Computational Electromagnetics Society Journal (ACES), 28(01), pp. 21–26. Available at: https://journals.riverpublishers.com/index.php/ACES/article/view/11695 (Accessed: 21 June 2026).