Analysis of novel slotted waveguide structure for antenna arrays application

Summary form only given. A number of approaches have been suggested for analyzing the performance of slotted waveguide antennas. In this study, a well-known technique called the method of moments (MoM) is used to design slotted waveguide antenna arrays. Novel types of slotted waveguide structure namely centerline slot with tuning screw are presented. Generally, the performance of the slotted arrays depends on the choice of physical dimension, width, and displacement of the tuning screw, number of slots and their overall arrangements. The results from the numerical simulation are compared to the widely used finite element code (high frequency structure simulator) HFSS.