Consider the FIR filter y(n) = x(n) + x(n 4) (a) Compute and sketch its magnitude
Question:
y(n) = x(n) + x(n – 4)
(a) Compute and sketch its magnitude and phase response.
(b) Compute its response to the input
x(n) = cos π/2n + cos π/4n -∞ < n < ∞
(c) Explain the results obtained in part (b) in terms of the magnitude and phase responses obtained in part (a).
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a Refer to figure b c Note ...View the full answer
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Related Book For
Digital Signal Processing
ISBN: ?978-0133737622
3rd Edition
Authors: Jonh G. Proakis, Dimitris G.Manolakis
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