Figure 4
From: Microwave brain imaging system to detect brain tumor using metamaterial loaded stacked antenna array

Simulated results of the different antenna design: (a) Reflection coefficient; (b) Efficiency versus Realized gain.
From: Microwave brain imaging system to detect brain tumor using metamaterial loaded stacked antenna array

Simulated results of the different antenna design: (a) Reflection coefficient; (b) Efficiency versus Realized gain.