(→DT signal & its Fourier Coefficients) |
(→DT signal & its Fourier Coefficients) |
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<math>\ x[n] = 5sin(3 \pi n + \frac{4}{\pi})</math> | <math>\ x[n] = 5sin(3 \pi n + \frac{4}{\pi})</math> | ||
| + | |||
| + | Knowing its Fourier series is | ||
<math>\ x[n] = \frac{5}{2j} (e^{j (3\pi n + \frac{4}{\pi})}-e^{-j (3\pi n + \frac{4}{\pi})}) | <math>\ x[n] = \frac{5}{2j} (e^{j (3\pi n + \frac{4}{\pi})}-e^{-j (3\pi n + \frac{4}{\pi})}) | ||
Revision as of 16:13, 26 September 2008
DT signal & its Fourier Coefficients
$ \ x[n] = 5sin(3 \pi n + \frac{4}{\pi}) $
Knowing its Fourier series is
$ \ x[n] = \frac{5}{2j} (e^{j (3\pi n + \frac{4}{\pi})}-e^{-j (3\pi n + \frac{4}{\pi})}) $
