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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
3D printed circularly polarized patch antenna
 Drápal, Jakub ; Kaděra, Petr (referee) ; Láčík, Jaroslav (advisor)
The bachelor thesis deals with circularly polarized patch antennas. In this work, circular polarization is achieved by inhomogenous substrate. The first part summarizes the basic theoretical knowledge about the patch antennas, the shapes of the patch antennas, the excitation methods and the generation of circular polarization. In the next section, the design of a circularly polarized patch antenna on an inhomogeneous substrate is described, and several antenna concepts are proposed and compared with each other and with a conventional antenna. The effect of shaping the inclusions and their gradation in the substrate and the insertion of the inclusions around the centre conductor in the substrate is investigated. The last section is devoted to the realization of the designed antennas by 3D printing method and comparison of simulations from ANSYS HFSS software with measurements of the antennas.
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