实现 Resources

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This article discusses the principles and implementation of M-ary Quadrature Amplitude Modulation (MQAM) modulation and demodulation, performance comparisons between MQAM, OFDM, and MPSK, and MQAM performance in noisy channels along with improvement techniques such as channel coding and frequency-domain equalization. Simulation experiments are conducted on communication channels with known characteristics to verify MQAM feasibility and effectiveness. The implementation can be modeled using MATLAB's Communications Toolbox functions like qammod and qamdemod for modulation/demodulation operations, with error rate analysis performed through bertool for system validation.

MATLAB 334 views Tagged

MATLAB implementation of the fundamental differential evolution algorithm, featuring vectorized operations for population handling and mutation strategies. Successfully debugged and tested in MATLAB 7.0 environment, demonstrating robust optimization performance through crossover and selection mechanisms.

MATLAB 227 views Tagged