H.W 1-Consider the system y(t)= cos(t) x(t). Determine whether it is (a) memoryless, ( b )causal, (c) linear, (d) time-invariant
H.W 1-Consider the system y(t)= cos(t) x(t). Determine whether it is (a) memoryless, ( b )causal, (c) linear, (d) time-invariant
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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![H.W
1-Consider the system y(t)= cos(t) x(t). Determine whether it is (a) memoryless, ( b )causal, ( c ) linear,
(d) time-invariant
2- Sketch the signal x(t) = u(t +1) + 2u(t) –u(t –1) -u(t – 2) -u(t –3)
3- A system is governed by the difference equation y[n] = x[n]x[n – 1] + cos ( 3rn ), where x[n] is the
input and y[n] is the output. Is the system
a) linear? b) time invariant? c) memoryless? d) causal?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5763a6fc-85eb-48bf-8368-48c88f90799b%2Ff96b9bac-8c9f-4e6f-b93b-c40dcd7abc5b%2Ftp93ttr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:H.W
1-Consider the system y(t)= cos(t) x(t). Determine whether it is (a) memoryless, ( b )causal, ( c ) linear,
(d) time-invariant
2- Sketch the signal x(t) = u(t +1) + 2u(t) –u(t –1) -u(t – 2) -u(t –3)
3- A system is governed by the difference equation y[n] = x[n]x[n – 1] + cos ( 3rn ), where x[n] is the
input and y[n] is the output. Is the system
a) linear? b) time invariant? c) memoryless? d) causal?
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