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781 Views 4 Replies Latest reply: Jan 19, 2004 12:00 AM by purple-disabled RSS
Copper 17 posts since
Nov 4, 2000
Currently Being Moderated

Jan 18, 2004 12:00 AM

Compute DTFT of discrete time signal.

I need help in solving the DTFT of the following signal: x[n]=(0.5)^n cos 4n u[n]. I attached the problem. I have never used Mathcad for discrete solutions. Any help will be greatly appreciated. Thank you.


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