On Jul 6, 8:00*am, "kaushik_l" <kaushi...@yahoo.com> wrote:
> Given only the magnitude response of the system, what information do we
> have on the location of poles and zeros? What can one comment on the
> impulse response?

If the system is minimum phase you can deduce a unique transfer
function.
If it is nonminimum phase then the tf is not unique and hence zeros
could lie in the the right hand s plane.
It could also be unstable if no phase info is given though this would
be unlikely.