Effect Of Shorting Ping On Rectangular Microstrip Antenna
Résumé: The effect of introducing a shorting post to rectangular microstrip antenna is investigated. First, the conventional rectangular microstrip antenna operating at 2.45 GHz is designed using empirical formulas and simulated using IE3D software. After that, a shorting post is introduced, in the midline of the non-resonating edge, on the same rectangular patch at an arbitrary position with an arbitrary radius. It has been found that, in addition to the original resonant frequency a second lower resonant frequency is obtained and the radiation field at this frequency is modified. The effect of the shorting post radius and its location with respect to the center of the patch is studied. It has been shown that a reduction of about 82% in the patch surface can be achieved for possible operation around 1.0 GHz.
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