ZHIGANG ZHANG; YONG FAN; YONGHONG ZHANG. Compact Substrate Integrated Waveguide Band-pass Rat-race Couplers Based on Mixed Shape Cavity with Flexible Port Topology. The Applied Computational Electromagnetics Society Journal (ACES), [S. l.], v. 35, n. 4, p. 466–477, 2020. Disponível em: https://journals.riverpublishers.com/index.php/ACES/article/view/7911. Acesso em: 3 may. 2024.