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---
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title: "Jemný úvod do radiotechniky"
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author: Emil Miler a Tomáš Macháček
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date: Nov 21, 2022
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---
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## Modulace
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- AM
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- FM
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- PM
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## Anténa
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- zařízení pro příjem nebo vysílání rádiových vln
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## Typy antén
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- Prutová
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- Smyčkové
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- Rámové
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- Parabolická
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- Trubková (horn)
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## Prutová
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![Whip antenna](pic/whip.jpg){ width=75% }
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## Smyčková
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![Loop antenna](pic/loop.jpg){ width=75% }
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## Rámová (Yagi)
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![Yagi antenna](pic/yagi.jpg){ width=75% }
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## Trubková
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![Horn antenna](pic/horn.jpg){ width=75% }
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## Základní prvky antény (dipól)
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- direktor
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- reflekotor
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- zářič
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## Parametry antén
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- zisk antén
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- impedance
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- polarizace
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- šířka pásma
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## Polarizace monopólové antény
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![Monopole polarization](pic/mono.gif){ width=75% }
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## Polarizace dipólové antény (Yagi)
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![Yagi polarization](pic/dipol.jpg){ width=75% }
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