Dálkový příjem signálu pozemního digitálního televizního vysílání

Abstract

The aim of this diploma thesis is to describe how inversion weather affects reception of DVB-T signal. Next step is in some place makes a measurement of DVB-T transmitters in normal and inversion weather and compare the results from those different weathers. This thesis is divided into four main parts. In the first part is described the DVB-T technology and possible receptions of DVB-T signal from abroad on the ČR territory. In the second chapter is explained how VHF and UHF waves are spreading and how an inversion weather has an influence on this wave spreadings. The third chapter deals with the description of the measurement parameters, used measuring device, reception antennas and measuring transmitters. In the last fourth chapter are inserted and evaluated measurement results.