Tm Electromagnetic Scattering Analysis Of A Finite Conducting Cone Loaded With A Slot

The aperture integral equation (AIE) and method of moment (MoM) technique is proposed for analyzing the electromagnetic scattering properties of a finite perfectly conducting cone loaded with a slot. The solution allows us to deal accurately with slots of any shape. Two kinds of slots representing for electrical large and electrical small structure respectively, are considered in this paper. Bi-static radar cross sections (RCS) of the slotted cone and near field scattering at slot aperture are discussed for the incidence plane wave located near the axial direction. Numerical results are presented and demonstrated the slot apertures whether electrical large size or electrical small size can be significantly improved to increase electromagnetic scattering of the considered finite cone in certain direction. Moreover, grooved conducting cone are also treated as a special case, and its electromagnetic scattering properties are compared to the slotted ones.