(New page: {| | align="left" style="padding-left: 0em;" | CTFT of a periodic function |- | <math> X(f)=\mathcal{X}(2\pi f)=2\pi\sum^{\infty}_{k=-\infty}a_{k}\delta(w-kw_{0})=\sum^{\infty}_{k=-\inf...) |
(No difference)
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Revision as of 16:39, 9 September 2010
CTFT of a periodic function |
$ X(f)=\mathcal{X}(2\pi f)=2\pi\sum^{\infty}_{k=-\infty}a_{k}\delta(w-kw_{0})=\sum^{\infty}_{k=-\infty}a_{k}\delta(f-\frac{kw_{0}}{2\pi}) $ |
$ Since\ k\delta (kt)=\delta (t),\forall k\ne 0 $ |