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4. A. Find the Fourier Transform of the signals below. a. x(t) = sinc²(t).cos(6mt). (Find by plotting) b. x(t)= e-t+2.u(t-2). c. x(t) = t.e-3lt B. An LTI system has the input-output differential equation given by d² y(t) dt² a. Find its frequency response. +4 dy(t) + 3y(t) = 2x(t) dt b. Find its impulse response.

4. A. Find the Fourier Transform of the signals below. a. x(t) = sinc²(t).cos(6mt). (Find by plotting) b. x(t)= e-t+2.u(t-2). c. x(t) = t.e-3lt B. An LTI system has the input-output differential equation given by d² y(t) dt² a. Find its frequency response. +4 dy(t) + 3y(t) = 2x(t) dt b. Find its impulse response.

Introductory Circuit Analysis (13th Edition)
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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4. A. Find the Fourier Transform of the signals below. a. x(t) = sinc²(t).cos(6mt). (Find by plotting) b. x(t) = e-t+2.u(t-2). c. x(t) = t.e-3ltl B. An LTI system has the input-output differential equation given by d² y(t) dy(t) +45 -+3y(t) = 2x(t) dt² dt a. Find its frequency response. b. Find its impulse response.
Transcribed Image Text:4. A. Find the Fourier Transform of the signals below. a. x(t) = sinc²(t).cos(6mt). (Find by plotting) b. x(t) = e-t+2.u(t-2). c. x(t) = t.e-3ltl B. An LTI system has the input-output differential equation given by d² y(t) dy(t) +45 -+3y(t) = 2x(t) dt² dt a. Find its frequency response. b. Find its impulse response.
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