Fig. 5.
Normalized directivity pattern G(k) for each ch(k) (k = 0, 1, 2, …, 7) as a function of κ0. We assume here that |$\boldsymbol{k_0}$| is parallel to |$\boldsymbol{d}$| and d = 2a. The solid line shows the antenna pattern for each ch(k) and the broken line shows that of a single dish.
