Modulation refers to a low-frequency signal controlling the ________________?
Correct answer: D. May be any of the above
- A. Amplitude of the carrier
- B. Frequency of the carrier
- C. Phase of the carrier
- D. May be any of the above
Explanation
Modulation means varying a carrier parameter according to the information signal. Depending on the system, the controlled parameter may be amplitude, frequency, or phase.
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