MATLAB Code Implementation for MSK Modulation and Demodulation
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The MSK modulation and demodulation process involves both signal modulation and demodulation stages. The modulated signal exhibits specific power spectral characteristics that can be visualized through power spectrum plots. Additionally, comparative diagrams between pre-modulation and post-modulation signals provide insights into modulation effectiveness. The MATLAB implementation typically involves using digital signal processing functions like 'mskmod' and 'mskdemod' for core operations, with 'pwelch' function for power spectral density calculation and 'plot' functions for visualization. The algorithm maintains constant envelope properties while ensuring orthogonal frequency separation equal to half the bit rate, making it spectrally efficient for communication systems.
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