12 Questions
What is the modulation index defined as?
The ratio of the amplitude of the message signal to the amplitude of the carrier signal
Is the modulating signal also known as the baseband signal?
True
Is Vestigial-sideband (AM/VSB) a type of single-sideband modulation?
False
What is the main purpose of modulation in communication systems?
To reduce noise and interference
How is the envelope of the modulated carrier in Amplitude Modulation (AM) represented?
$A(t)$
What does AM/DSB-SC stand for?
Amplitude Modulation with Double-Sideband and Suppressed Carrier
What is the primary characteristic that is modified in Analog Modulation?
All of the above
In Double-Sideband, Large Carrier (AM/DSB-LC) modulation, which characteristic of the carrier signal remains constant?
Both frequency and phase
Which of the following is NOT a type of Continuous Wave Modulation?
Pulse Amplitude Modulation (PAM)
What is the purpose of modulation in communications?
To increase the efficiency of radiation
In Pulse Modulation, what characteristic of the pulse train is modified according to the message signal?
Any of the above
Which of the following statements about Pulse Modulation is correct?
None of the above
Test your knowledge on analog modulation in communications with this quiz by Dr. Maryam Khalifa Abboud. Questions cover topics like pulse modulation and changing amplitude, frequency, or phase of a carrier wave.
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