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Characteristics of aperture coupled microstrip antennas with various radiating patches and coupling apertures

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2 Author(s)
Xian Hua Yang ; Dept. of Electr. & Comput. Eng., Manitoba Univ., Winnipeg, Man., Canada ; L. Shafai

A full wave moment method is applied to the analysis of aperture coupled microstrip antennas, in which all components of the electric and equivalent magnetic surface currents are considered. The electric current distributions on the rectangular patch for different coupling aperture positions are presented with their radiation patterns. The effects of the coupling aperture shape and size on the input impedance and radiation performance are also discussed. As an example of new radiators, slotted patches are studied, and it is shown that they can be used to achieve dual-frequency operation

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IEEE Transactions on Antennas and Propagation  (Volume:43 ,  Issue: 1 )