Sökning: "Joachim Björsell"

Hittade 2 uppsatser innehållade orden Joachim Björsell.

1. 1. Long Range Channel Predictions for Broadband Systems : Predictor antenna experiments and interpolation of Kalman predictions

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

   Författare :Joachim Björsell; [2016]
   Nyckelord :Channel prediction; Prediction interpolation; Predictor antenna; Predictor antenna measurements; Telecom; Telecommunication;

   Sammanfattning : The field of wireless communication is under massive development and the demands on the cellular system, especially, are constantly increasing as the utilizing devices are increasing in number and diversity. A key component of wireless communication is the knowledge of the channel, i.e, how the signal is affected when sent over the wireless medium. LÄS MER

3. 2. Simulation model of an ultrasonicsensor used in non-destructivetesting

   Kandidat-uppsats,

   Författare :Joachim Björsell; Viktor Ferm Lithén; Joel Törmä; [2013]
   Nyckelord :Ultrasonic; Ultrasound; non-destructing testing;

   Sammanfattning : In the steel industry the welding and structure of steel pipes are tested to make surethat the quality of the pipes are good enough. Today this is often done by taking somesamples, cutting them and examining them manually. LÄS MER