Answered: 1-)For a system whose unit sample…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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1-)For a system whose unit sample response is h(n)=(1/3)^n.u(n)
a) Find the output given by the X(n)= A.cos(Pi.n)u(n) input signal.
b)Find the answer of the same system to the input x(n)=15-30cos((pi/2).n)+2sin(pi.n).

2-)0<a<1 from the difference equation of the LZD causal system given below.
If y(n)=ay(n-1)+bx(n):
a) Obtain H(Ω).
b) the value of b |H(Ω)| Select the amplitude to be a maximum of 1 and find the amplitude phase change (a=0.9)
c) Using the values in b, obtain the system output for the input x(n)=5+12sin ((Pi/2).n)-20cos(pi.n+(pi/4))

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