231893.fig.003a
(a) Mirrored antenna array elements in the coordinate system
231893.fig.003b
(b) Configuration for the determination of the array weighting factor Φ 𝑖 ( 𝜃 , 𝜓 )
Figure 3: Coordinate system and configuration for the determination of the array transfer function 𝐇 A r ( 𝜃 , 𝜓 ) .