DSP, going from freq domain to time domain

  • Thread starter cutesteph
  • Start date
  • #1
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Homework Statement



X(w) = 3cos(2w) + 2 sin(3w)

calculate x(n)


Homework Equations




x(n) = (1/2pi) ∫ X(w) e^(jwn)dw


The Attempt at a Solution



When integrating over 0 to 2 pi, my answer is 0. Which would not be the case.
 

Answers and Replies

  • #2
jbunniii
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Can you please show your calculation? In particular, be careful with the cases ##n=2## and ##n=3##.
 
  • #3
402
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It for sure shouldn't be 0 :D

You must've made a mistake with the integration. Do you know what the answer SHOULD be?
 

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