CAGNIARD‐DEHOOP METHOD OF MOMENTS FOR PLANAR‐STRIP ANTENNAS

This chapter begins with the thin‐wire Cagniard‐DeHoop Method of Moments formulation, namely, with the integrand on the left‐hand side of the transform‐domain reciprocity relation from which one extracts the transform‐domain Green's function that displays the asymptotic behavior for the vanishing radius a ↓ 0. It next analyzes the asymptotic behavior of the corresponding transform‐domain term for a planar strip of a vanishing width w ↓ 0 that lies in plane z = 0, and its axis is oriented along the x‐axis. The problem of calculating the space‐time distribution of the induced electric‐current surface density on the surface of a strip is next tackled numerically. The chapter also analyses the excitation of the strip antenna via a uniform electromagnetic plane wave and a delta‐gap source. It specifies the elements of the excitation array for the chosen excitation types.