# Covolution of DTFT [duplicate]

Possible Duplicate:
Convolution and DTFT

$x_1(n)=x_2(n)=1$
where $0 ≤ n ≤ N-1$

1)The linear convolution of the signal gives a triangle how you write it in mathematical form?

The DTFT of the signal is given as

$X_1(e^{jw})=X_2(e^{jw})=\pi \sum_{k=-\infty}^\infty \delta(w-2\pi k)+$$\frac1 {1-e^{jw}}$

How to calculate the $DTFT^-(X_1(e^{jw}).X_2(e^{jw})?$

• Duplicate of this previous question with the edits requested there included in this new one. Dec 8 '12 at 16:18
• @heavenhitman Please edit your original question rather than creating a new one. Dec 8 '12 at 16:22