Research Article

Design, Fabrication, and Testing of Active Skin Antenna with 3D Printing Array Framework

Figure 16

Measured return loss.
(a) S11 of antenna element 1 to antenna element 8
(b) S11 of antenna element 9 to antenna element 16
(c) S11 of antenna element 16 to antenna element 24
(d) S11 of antenna element 24 to antenna element 32