DSC-SC Modulation. Consider a message signal m(t) = 3 sinc(10t) this is applied
ID: 992063 • Letter: D
Question
DSC-SC Modulation. Consider a message signal m(t) = 3 sinc(10t) this is applied to a product modulator with a carrier wave c(t) = 2cos(100 pi t). Find and plot the Fourier transform S(f) of the DSB-SC modulated signal s(t). What is the bandwidth of s(t)? The signal s(t) is next applied to filter h(t), the output of the filter is named y(t). Now assume that Find and plot the Fourier transform Y(f). The signal y(t) is then applied to a coherent demodulation. Find the optimum low pass filter so that the output of the coherent demodulation v_0(t) = m(t)Explanation / Answer
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