A METHOD-OF-MOMENTS STUDY OF STRIP DIPOLE ANTENNAS IN RECTANGULAR WAVE-GUIDE

A theoretical and experimental study of strip dipole antennas located on a supporting dielectric slab mounted transversely in rectangular wa veguide is presented, Galerkin's method is used in the full-wave solut ion of an integral equation for Each antenna's surface-current density using the Green's function for the slab-loaded waveguide, The paper i s motivated by the need for multiport-network models to aid the develo pment of multiple-device power-combining circuits in rectangular waveg uide, The design data presented here for single antennas should prove useful for planar-mixer and oscillator circuits, The presence of slab modes is noted and the slab-mode resonant frequencies are predicted, V alidation of the numerical models is provided by scattering experiment s on the shorted antennas, and excellent agreement is obtained in the range of 5.0-12.5 GHz.