The following video shows how to create DSB-SC modulation and demodulation simulink model in matlab. It shows how to generate DSB-SC signal, check the waveform and also see the spectrum of message, carrier and DSB-SC signal. It then shows how to build a demodulator, verify the received signal waveform and their spectrum. Here butterworth filter is used to get back the message signal and verify the demodulated message waveform and spectrum. For matlab see download matlab also.
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