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[½»Á÷] My paper, just for reference

Abstract¡ªA quarter-mode substrate integrated waveguide (QMSIW) which is the quadrant sector of a square waveguide resonator is proposed and investigated in this paper. The QMSIW is realized by bisecting the half-mode substrate integrated waveguide (HMSIW) into two parts along the fictitious
quasi-magnetic wall when it operates with and modes as the way bisecting the substrate integrated waveguide (SIW) to HMSIW. The QMSIW can almost preserve the field distribution of original SIW and leaky wave is achieved from the dielectric aperture of the QMSIW. When the feeding port is
placed at one corner of the QMSIW, a linearly polarized radiation is obtained when the QMSIW resonates in mode, and when the QMSIW resonates in mode, a circularly polarized (CP) wave is achieved. An antenna is designed, fabricated, and measured based on the proposed QMSIW. The measurement
results match with the simulation results very well.
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