Codesigned Wideband High-Efficiency Filtering SIW Slot Antenna with High Selectivity and Flat Gain Response

<div>SIW transmission line with end shorted and surface current distributions. (a) Configuration of SIW transmission line with end shorted. (b) Surface current distributions at different frequencies.</div>

International Journal of Antennas and Propagation

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Figure 4

Figure 4: Codesigned Wideband High-Efficiency Filtering SIW Slot Antenna with High Selectivity and Flat Gain Response 