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National Repository of Grey Literature 12 records found  previous11 - 12  jump to record: Search took 0.01 seconds. 
Measurement of the numerical aperture
 Vejmola, Tomáš ; Klusáček, Stanislav (referee) ; Šedivá, Soňa (advisor)
Bachelor thesis illustrates the use measuring systems for measuring the numerical apertures of various kinds of optical fibers. The study also described and tested measuring device, to modify the system for measuring radiation characteristics and angle of LED 3mm, 5mm and 8mm.
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Improving antenna parameters by the application of metamaterials
 Šporik, Vladimír ; Hertl, Ivo (referee) ; Raida, Zbyněk (advisor)
The thesis is focused on the design of a planar resonant-type antenna, which exploits a proper combination of left- and right-handed properties of transmission lines. This transmission line is called CRLH TL and is based on Sievenpiper mushroom structure. Advantages of the proposed antenna concept are demonstrated by a detailed comparison of its basic properties with the properties of a conventional patch antenna.
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National Repository of Grey Literature : 12 records found   previous11 - 12  jump to record:
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