Mutual Coupling Effects for Radar Cross Section (RCS) of a Series-Fed Dipole Antenna Array

Figure 19

Effect of mutual coupling on RCS of series-fed linear parallel-in-echelon dipole array of 𝑁=30,𝜓=𝜋/2,𝑑=0.1𝜆,𝑙=0.5𝜆,𝑎=10⁻⁵𝜆,𝑍₀=125 Ω, and 𝑍_𝑙=235 Ω; unit amplitude uniform distribution.

(a) 𝜃_𝑠=0^∘

(b) 𝜃_𝑠=45^∘

(c) 𝜃_𝑠=85^∘