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Mohamad Eskandarane Questions
11022 Questions
In _____ transmission, the carrier signal is modulated so that its amplitude varies with the changing amplitudes of the modulating signal
Networks
2022-05-23
Answers
30
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40
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1
450
Which of the following is not an analog-to-analog conversion?
Networks
2022-05-23
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30
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461
Analog-to-analog conversion is needed if the available bandwidth is _______
Networks
2022-05-23
Answers
30
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453
________ conversion is the representation of analog information by an analog signal
Networks
2022-05-23
Answers
30
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535
_______ uses two carriers, one in-phase and the other quadrature
Networks
2022-05-23
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30
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397
Quadrature amplitude modulation (QAM) is a combination of ___________
Networks
2022-05-23
Answers
30
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420
A constellation diagram shows us the __________ of a signal element, particularly when we are using two carriers (one in-phase and one quadrature)
Networks
2022-05-23
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30
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411
In ________, the phase of the carrier is varied to represent two or more different signal elements. Both peak amplitude and frequency remain constant
Networks
2022-05-23
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30
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40
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425
In _________, the frequency of the carrier signal is varied to represent data. Both peak amplitude and phase remain constant
Networks
2022-05-23
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30
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1225
In ________, the amplitude of the carrier signal is varied to create signal elements. Both frequency and phase remain constant
Networks
2022-05-23
Answers
30
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40
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419
Which of the following is not a digital-to-analog conversion?
Networks
2022-05-23
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30
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421
______ conversion is the process of changing one of the characteristics of an analog signal based on the information in the digital data
Networks
2022-05-23
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30
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455
Given an AM radio signal with a bandwidth of 10 KHz and the highest-frequency component at 705 KHz, what is the frequency of the carrier signal?
Networks
2022-05-23
Answers
30
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40
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30
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418
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11022
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