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Recent questions tagged discretetimesignal
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GATE2015135
Consider a discrete time signal given by $x[n]= (0.25)^{n} u[n]+(0.5)^{n} u [n1]$ The region of convergence of its $Z$transform would be The region inside the circle of radius $0.5$ and centered at origin The region outside the circle ... centered at origin The annular region between the two circles, both centered at origin and having radii $0.25$ and $0.5$ The entire $Z$ plane.
asked
Feb 12, 2017
in
Signals and Systems
by
makhdoom ghaya
(
9.2k
points)
gate2015ee1
discretetimesignal
convergence
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