-2|x| (3) Now, you decide to transfer one signal s(x) (i.e., s(x) = e Jand make the f(x) as the carrier wave. Based on the modulation technique, you can create one new signal r(x) containing the s(x) and f(x). Please describe the formulation of the r(x) in the frequency domain.

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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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(3)
Now, you decide to transfer one signal s(x) (i.e., s(x)=eA )and make the f(x) as the carrier
wave. Based on the modulation technique, you can create one new signal r(x) containing the s(x)
and f(x). Please describe the formulation of the r(x) in the frequency domain.
(4)
After your analysis, you find that it is not practical to analyze the phenomenon in the
frequency domain in the continuous time. Afterward, you decide to use Discrete Fourier Transform
(DFT) instead. Assume you sample the new created r(x) signal every 2 unit time and collect 4 data
from time zero (i.e., x are 0, 2, 4, and 6 sequentially.) Please show the results of your analysis in the
frequency domain after applying your derived DFT.
Transcribed Image Text:(3) Now, you decide to transfer one signal s(x) (i.e., s(x)=eA )and make the f(x) as the carrier wave. Based on the modulation technique, you can create one new signal r(x) containing the s(x) and f(x). Please describe the formulation of the r(x) in the frequency domain. (4) After your analysis, you find that it is not practical to analyze the phenomenon in the frequency domain in the continuous time. Afterward, you decide to use Discrete Fourier Transform (DFT) instead. Assume you sample the new created r(x) signal every 2 unit time and collect 4 data from time zero (i.e., x are 0, 2, 4, and 6 sequentially.) Please show the results of your analysis in the frequency domain after applying your derived DFT.
You are an electrical engineer now and are receiving a communication signal. You find that the signal
can be formulated as
1
f(x)=[8(x-2)+ 8(x+2)]
2i
Transcribed Image Text:You are an electrical engineer now and are receiving a communication signal. You find that the signal can be formulated as 1 f(x)=[8(x-2)+ 8(x+2)] 2i
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