Fig. 3
From: A V-band high-gain gap waveguide-based slot array antenna with circular polarization

Characteristics of CP linear slot array antenna. (a) |S11| and gain. (b) AR and total efficiency.
From: A V-band high-gain gap waveguide-based slot array antenna with circular polarization

Characteristics of CP linear slot array antenna. (a) |S11| and gain. (b) AR and total efficiency.