International Journal of Antennas and Propagation / 2019 / Article / Fig 9

Research Article

Dual-Frequency Miniaturized Substrate Integrated Waveguide Quarter-Mode Cavity-Backed Antenna Based on Minkowski Fractal Gap with Orthogonal Polarization Radiation Characteristics

Figure 9

Effect of ground size on antenna reflection coefficient: (a) mode ; (b) mode .

(a)
(b)