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\begin{array}{ll} | \begin{array}{ll} | ||
1, & \text{ for } -5\leq n \leq 5,\\ | 1, & \text{ for } -5\leq n \leq 5,\\ | ||
| − | 0, & \text{ | + | 0, & \text{ for } 5< |n| \leq 10. |
\end{array} | \end{array} | ||
\right. \ </math> | \right. \ </math> | ||
| + | |||
| + | x[n] periodic with period 20. | ||
---- | ---- | ||
Revision as of 08:35, 7 February 2011
Contents
Practice Question on Computing the Fourier Series discrete-time signal
Obtain the Fourier series the DT signal
$ x[n] = \left\{ \begin{array}{ll} 1, & \text{ for } -5\leq n \leq 5,\\ 0, & \text{ for } 5< |n| \leq 10. \end{array} \right. \ $
x[n] periodic with period 20.
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Answer 1
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Answer 2
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Answer 3
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