National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Rectangular patch atenna for the frequency band 60 GHz
Hubka, Patrik ; Hertl, Ivo (referee) ; Hebelka, Vladimír (advisor)
The goal of this thesis is design and build rectangular patch antenna for 60 GHz band, matched to 50 Ohms. First section described general knowledges about microstrips antennas and technologies for 60 GHz band. Second section introduced rectangular patch antenna feeded by miscrostrip line matched by quarter wave transformer on CuClad 217 substrate. Third section introduced two structural modification of rectangular patch antenna and measurements of return loss |S11|.
Design and optimization of the helical antenna
Zelinková, Lenka ; Olivová, Jana (referee) ; Lukeš, Zbyněk (advisor)
The thesis contains the design of helical antennas for the assigned frequencies. The theoretical design is verified by parameter calculators. The design properties were verified in the computer simulator CST Microwave studio where the antennas were optimized to the maximum gain. The antennas intended as parabola feeds are completed with the designs of parabolas and focal distances between the antennas and the parabolas. Impedance matching by a quarter-wave transformer is designed for the antennas.
Rectangular patch atenna for the frequency band 60 GHz
Hubka, Patrik ; Hertl, Ivo (referee) ; Hebelka, Vladimír (advisor)
The goal of this thesis is design and build rectangular patch antenna for 60 GHz band, matched to 50 Ohms. First section described general knowledges about microstrips antennas and technologies for 60 GHz band. Second section introduced rectangular patch antenna feeded by miscrostrip line matched by quarter wave transformer on CuClad 217 substrate. Third section introduced two structural modification of rectangular patch antenna and measurements of return loss |S11|.
Design and optimization of the helical antenna
Zelinková, Lenka ; Olivová, Jana (referee) ; Lukeš, Zbyněk (advisor)
The thesis contains the design of helical antennas for the assigned frequencies. The theoretical design is verified by parameter calculators. The design properties were verified in the computer simulator CST Microwave studio where the antennas were optimized to the maximum gain. The antennas intended as parabola feeds are completed with the designs of parabolas and focal distances between the antennas and the parabolas. Impedance matching by a quarter-wave transformer is designed for the antennas.

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