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# 4.4-4 Find for the modulation signal and carrier frequency follow these steps: (a) Sketch spectra of m(t) and the corresponding DSB-SC signal 2m(t) cos wct (b) To find the LSB spectrum, suppress the USB in the DSB-SC spectrum found in part (a). c. Find the LSB signal . Which is the inverse Fourier transform of the LSB spectrum found in part (b) . Follow a similar procedure to find (t).

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