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Need help with digital signal processing homework. using matlab Write a program that generates a 1900Hz sinusoid with variance =0.5, sampled at 20KHz. i. Show

Need help with digital signal processing homework. using matlab
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Write a program that generates a 1900Hz sinusoid with variance =0.5, sampled at 20KHz. i. Show a time plot of the first 0.05 seconds of the signal ii. Show a plot of its spectral content iii. Show its histogram iv. Show its spectrogram over a one second duration in time

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