HYBRID MOM/SBR METHOD TO COMPUTE SCATTERING FROM A SLOT ARRAY ANTENNA IN A COMPLEX GEOMETRY

Abstract

A method of moments (MoM) code has been developed to compute the scattering from a pla-nar or cylindrically conformal slot array antenna. By hybridizing the MoM with the shooting and bouncing ray (SBR) method, the scattering from a large, complex target with a slot array antenna can be computed. The scattering problem can be decomposed using the field equivalence prin-ciple such that the MoM is employed to model the slot array while the SBR method is used to compute the scattering from the large, complex target. Sample results show the utility of the method and the need to include slot array scat-tering when computing the RCS of a complex target.