International Journal of Antennas and Propagation / 2018 / Article / Fig 9

Research Article

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

Figure 9

Illustration of the mechanism of resonance poles in Ant. 3. (a) First resonance pole . (b) Second resonance pole . (c) Third resonance pole .
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