@inproceedings{paperid:1062774, author = {Neshati, Mohammad Hassan and Heidarzadeh, Fatemeh}, title = {Bandwidth Enhancement of the SIW Cavity Backed Slot Antennas Using Symmetric Circular Perturbation}, booktitle = {25th Iranian Conference on Electrical Engineering, ICEE 2017, Tehran, Iran}, year = {2017}, location = {تهران, IRAN}, keywords = {cavity backed slot antenna;substrate integrated waveguide;degenerated modes.}, }