Sökning: "antennteori"

Hittade 3 uppsatser innehållade ordet antennteori.

1. 1. Antenna Characterization with Autonomous UAV and Software Defined Radio

   Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Signaler och System

   Författare :Lucas Wennerholm; Adam Alenius; [2018]
   Nyckelord :Signal processing; Software Defined Radio; antenna theory; radio; DSP; Signalbehandling; radio; antenner; antenn; antennteori; SDR; mjukvarudefinierad radio;

   Sammanfattning : A measurement equipment with the purpose of measuring the radiation pattern of antennas in the frequency interval 30-300 MHz was constructed. To perform the necessary measurements the equipment needs to be mounted on a UAV, a necessity that demands a low weight from the measurement equipment. LÄS MER

3. 2. Design and Development of a Future Digital TV-Antenna

   Master-uppsats, KTH/Maskinkonstruktion (Inst.)

   Författare :Sophia Huzelius; Paulina Wisniewska; [2015]
   Nyckelord :;

   Sammanfattning : Television broadcasting can be performed through different methods and technologies. One broadcast technology in Sweden and Denmark is called Digital Terrestrial Network (DTT) and is operated by Teracom Boxer Group, a state owned company. LÄS MER

4. 3. Undersökning av vissa beläggningars påverkan på antenners effektivitet i tågmiljö

   Kandidat-uppsats, Fasta tillståndets elektronik

   Författare :Fredrik Johansson Holmbäck; Max Sundström; [2013]
   Nyckelord :Antenna; Antenna Theory; Railway; Train; Coating; Antenn; antennteori; järnväg; tåg; beläggning;

   Sammanfattning : For several years Uppsala University together with several companies has been involved in a WISENET project aimed at improving railway transport security. By placing a sensor system near the wheels of each wagon, the temperature of the bearings can be measured and transmitted to a collector placed centrally on the wagon. LÄS MER