Neural Network Characterization of Reflectarray Antennas

Figure 5

Reflection coefficient amplitude (left) and phase (bottom) versus the two RA geometrical parameters ℓ and 𝑡 of the modified Malta Cross, computed with direct full-wave (top) and reconstructed with the ANN (bottom). 𝑓=10.7 GHz, 𝜃_inc=0°.