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Patch antenna with switchable polarization

By Michal Havelka

Abstract

The bachelor’s thesis deals with the analysis of basic planar antennas, the design methods, optimization and simulation in ANSOFT Designer. Attention is turned to the design of aperture coupled microstrip antennas. First, the antenna with a simple slot is designed. Second, the design of the ring slot coupled microstrip antenna is described. Both the antennas are designed for the operation frequency 2,45 GHz. The second part is devoted to the antenna with switchable polarization. Using three PIN diodes powered by lithium battery of 3-V, the linear polarization (both the horizontal one and the vertical one) and the circular polarization (both the right-hand one and the left-hand one) can be switched. The results were verified by experimental verification

Topics: aperturové buzení; Planární anténa; kruhová polarizace Ansoft Designer.; lineární polarizace; aperture coupling; linear polarization; switchable polarization; Planar antenna; circular polarization; Ansoft Designer.; přepínání polarizace
Publisher: Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií
Year: 2009
OAI identifier: oai:invenio.nusl.cz:224035
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