표 1. | Table 1. 도파관 안테나 특성 | Characteristic of waveguide antennas.

	Standard waveguide	Ref. [8]	Designed antenna
Aperture structure	Rectangular	Bow-tie	H-shape
Aperture size [mm]	22.86×10.16	16×10.5	14×8
Beamwidth (single element) [°]	E-plane: 97.4 H-plane: 60.6	-	E-plane: 136 H-plane: 84.4
Beam steering angle[°]	-	± 45	± 60