We know that the Fourier transform of a Gaussian function is Gaussian function itself. We can also say that periodic impulse train also satisfies this property. Can anyone give one or more signals which have themselves as FT?

 

You may want to check this out:

http://www.dsprelated.com/showarticle/45.php

 

@ Accipiter

Thank you so much yaaar..... You gave me what exactly needed for me..... Thanks alot.....