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== A Periodic DT Signal == | == A Periodic DT Signal == | ||
| − | <math>\hat{\delta}(n)={1 \over 2\pi}\ | + | <math>\hat{\delta}(n)={1 \over 2\pi}</math> |
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| + | <br><br> | ||
| + | <math> x[n] = 1 + sin({2\pi \over N})n + 5cos({2\pi \over N})n + 7sin({4\pi \over N}n - {\pi \over 2}) | ||
Revision as of 13:45, 26 September 2008
A Periodic DT Signal
$ \hat{\delta}(n)={1 \over 2\pi} $
$ x[n] = 1 + sin({2\pi \over N})n + 5cos({2\pi \over N})n + 7sin({4\pi \over N}n - {\pi \over 2}) $
