Answered: 1. Consider the raised-cosine pulse…

Engineering

Electrical Engineering

1. Consider the raised-cosine pulse x(t) defined as x(t) = 0, (cos(wt)+1), -

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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Frequency Modulation

Frequency modulation is a method or process of encoding the data of a specific signal (analog or digital) by modulating the carrier wave frequency according to the frequency of the modulated signal. Modulated signals are nothing more than information or data that should be conveyed after being converted into electronic signals.

Question

1. Consider the raised-cosine pulse x(t) defined as
x(t)
=
0,
(cos(wt)+1), -<t<;
otherwise.
(a) The total energy of a continuous-time signal v(t) is defined as
E =
=v² (t)dt.
L
Find the total energy of x(t).
(b) Suppose that x(t) is time-scaled and time-shifted and the output is y(t):
=
-
x(0.2t 5). Sketch
y(t).

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