Sketching discrete time signal

  • Thread starter Huumah
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  • #1
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Discrete signal x[n] is shown in the first picture. Sketch x[2n]

LQSkztR.png



Answer
QQXy9nu.png


Can anyone ecplain why x[2n] is like that. I can understand how to plot it if i have a continous time signal
 

Answers and Replies

  • #2
rude man
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On the second picture's x axis, n = 2n of the first picture's x axis.
 

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