First, this program uses 16QAM modulation mode, for a string of two binary source is modulated with a raised cosine roll-off function for base-band modulation, and then transferred to high-frequency channel in the channel by adding Gaussian white noise, the use of matched filter device demodulator, draw demodulation constellation, using the minimum Euclidean distance decoding decision, calculate bit error rate.

qam\demodulate_sig.m
...\generate_noise.m
...\insert_value.m
...\modulate_to_high.m
...\plot_2way.m
...\plot_snr.m
...\QAM.m
...\Qam_modulation.m
...\文档说明.doc
qam

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