CSE3451

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assignments:a1 [2012/09/13 20:26] – marashassignments:a1 [2013/09/04 21:19] (current) – marash
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 Problem 1.15 (i) and (iii) Problem 1.15 (i) and (iii)
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 **Hints for Problem 1.5 part (v)** **Hints for Problem 1.5 part (v)**
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 **Hints for Problem 1.5 part (vi)** **Hints for Problem 1.5 part (vi)**
  
-Please consider the following points: +Note that:
  
   - Sum of a periodic signal and an aperiodic signal is not periodic.    - Sum of a periodic signal and an aperiodic signal is not periodic. 
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   * sin^2(t) = 1/2(1 − cos(2t))   * sin^2(t) = 1/2(1 − cos(2t))
   * cos(a)cos(b) = 1/2[cos(a+b) + cos(a−b)]   * cos(a)cos(b) = 1/2[cos(a+b) + cos(a−b)]
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 +**Problem 1.15**
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 +There is a typo and the correct one is as follows:
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 +x1[k] = sin(4k)+cos(2*pi*k/3).
assignments/a1.1347567997.txt.gz · Last modified: by marash