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digital signal processing, Electrical Engineering
A DT LTI system has the following impulse response:
h(n)=[cos(pi/+delta(n)] u(n3)u(n2)
(a) Find the system’s frequency response h(e^jw ).
(b) Sketch the magnitude and phase responses over the range –pi to pi. Is this a linearphase system?
(c) An input x(n )=100 is fed into the system. Find the output y(n ).
(d) An input x(n )=3sin (pi/2*n) ) is fed into the system. Find the output y(n ).
(e) An input x( n) =(1^n3 ) is fed into the system. Find the outpnut y(n ).
Posted Date: 10/26/2012 12:34:41 AM  Location : United States
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