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The document describes plotting the constellation diagrams of digital modulation systems BPSK, QPSK, and QAM using MATLAB. It provides details on: 1) The constellation diagram of BPSK, which uses two symbols with equal amplitude but 180 degrees phase difference to represent the two bits. 2) QPSK modulation, which uses four symbols with phases separated by 90 degrees to represent two bits per symbol. 3) QAM modulation, which modulates both amplitude and phase (16-QAM example shown), allowing more dist
- Author
- vanitha
- Language
- EN