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Questions and Answers
What type of modulation does not change a sinusoidal signal?
What type of modulation does not change a sinusoidal signal?
- Pulse Modulation (correct)
- Continuous Wave Modulation
- Double-Sideband, Large Carrier (AM/DSB-LC)
- Analog Modulation
Which characteristic(s) of the carrier wave are changed in Analog Modulation?
Which characteristic(s) of the carrier wave are changed in Analog Modulation?
- Amplitude only
- Frequency only
- Amplitude, frequency, or phase (correct)
- Phase only
Which of the following is NOT a type of Continuous Wave Modulation?
Which of the following is NOT a type of Continuous Wave Modulation?
- AM
- PAM (correct)
- FM
- PM
In Double-Sideband, Large Carrier (AM/DSB-LC) modulation, which characteristic(s) of the carrier signal change?
In Double-Sideband, Large Carrier (AM/DSB-LC) modulation, which characteristic(s) of the carrier signal change?
What is the purpose of modulation in communication systems?
What is the purpose of modulation in communication systems?
Which of the following is NOT a type of Analog Modulation?
Which of the following is NOT a type of Analog Modulation?
What is the definition of the modulation index?
What is the definition of the modulation index?
Which of the following is another name for the modulating signal?
Which of the following is another name for the modulating signal?
Which of the following is not a type of single-sideband modulation?
Which of the following is not a type of single-sideband modulation?
What is the primary purpose of modulation in communication systems?
What is the primary purpose of modulation in communication systems?
Which of the following best represents the envelope of the modulated carrier in Amplitude Modulation (AM)?
Which of the following best represents the envelope of the modulated carrier in Amplitude Modulation (AM)?
What does AM/DSB-SC stand for?
What does AM/DSB-SC stand for?
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