Examine the spectrum of the signal x(n)

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Reference no: EM131083966

Consider three sinusoids with the following amplitudes and phases:

a. Create a MATLAB program to sample each sinusoid and generate a sum of three sinusoids, that is, x(n) = x1(n) x2(n) þ x3(n), using a sampling rate of 8,000 Hz. Plot x(n) over a range of 0.1 seconds.

b. Use the MATLAB function fft() to compute DFT coefficients, and plot and examine the spectrum of the signal x(n).

Reference no: EM131083966

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