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# Explain how fourier transform is done? 1. (8 points) Suppose a particular discrete-time linear and time-invariant...

Explain how fourier transform is done?

1. (8 points) Suppose a particular discrete-time linear and time-invariant (LTI) system has frequency response H(e) and that when its input is z[n] = 2 cos (n). the corresponding output is y[n] = 6 cos (n+ ) Find the real part and imaginary part of H(e)") at w = .

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