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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Influence of the antenna instalation method on the roof of the railway vehicle on achieved antenna parametres and radiation pattern
 Drtina, Vojtěch ; Richterová,, Marie (referee) ; Theumer, Radek (advisor)
This thesis investigates the optimal placement of antennas for the system ETCS (European Train Control System) on railway vehicle and analyzes the impact of surrounding structures on the radiation characteristics of these antennas. The goal is to analyze and propose antenna placement to achieve maximum reliability in communication between vehicular antennas and the ETCS infrastructure. The thesis presents simulations of various antenna placements on 18Ev and 15Ev units as well as the methodology for real measurement of these vehicles. The thesis addresses the measurement and simulation of antenna radiation on large objects that cannot be placed in an anechoic chamber.
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