The requirements for a data acquisition system to be used for propagation experiments are analysed and one solution based on a DSP data acquisition card and PC is suggested. The software for the DSP card and the host PC is presented. ; As exigências de um sistema de aquisição de dados para experiências de propagação são analisadas e uma&nb...
The requirement of automatic antenna tracking on Earth-Satellite links and approaches used to cope with the problem are discussed. The hardware and mainly the software of a cheap and reliable implemented solution for a 3,5 meter parabolic antenna are described. ; A necessidade do apontamento óptimo de uma antena a um satélite e métodos para o conseguir são a...
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