Planar High-Gain Millimeter-Wave Slotted SIW Cavity Antenna Array with Low Sidelobe and Grating Lobe Levels

<div>Simulated radiation patterns at 26.9 GHz (solid line) and measured one at 27.3 GHz (dash line) of the proposed 1 × 4 antenna array. (a) E-plane (<i>xoz</i>). (b) H-plane (<i>yoz</i>).</div>

International Journal of Antennas and Propagation

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Figure 17

Figure 17: Planar High-Gain Millimeter-Wave Slotted SIW Cavity Antenna Array with Low Sidelobe and Grating Lobe Levels 