Neste TeleTexto vã o ser apresentadas as principais características de QAM, uma modulaç ã o digital híbrida, de amplitude e fase, de constelaç ã o habitualmente quadrada ou rectangular. Veremos, entre outros assuntos, como gerar e desmodular um sinal de QAM e como quantificar o desempenho da transmissã o.

QAM.PDF

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