(New page: ==DT signal == <br> <math>X[n] = 3\cos(3 \pi n + \pi)\,</math>) |
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<math>X[n] = 3\cos(3 \pi n + \pi)\,</math> | <math>X[n] = 3\cos(3 \pi n + \pi)\,</math> | ||
| + | <br>Find a value for k that makes N an integer: | ||
| + | <br><math>N = \frac{2\pi}{3\pi} K \,</math> | ||
Revision as of 08:32, 25 September 2008
DT signal
$ X[n] = 3\cos(3 \pi n + \pi)\, $
Find a value for k that makes N an integer:
$ N = \frac{2\pi}{3\pi} K \, $
