Documente publicate de Ghenadie Iorga

Multiplexed Transmission Systems

1. Introduction I. BPSK modulation/demodulation Sending a BPSK signal means to transmit binary data, noted d(t), (periodic by Tb) modulating a cosine signal with a carrier frequency f0. The modulation is made so that when data have given value, the cosine signal has a constant phase f; otherwise it has a phase... citește mai departe