Question: The _______ technique uses M different carrier frequencies that are modulated by the source signal. At one moment, the sign modulates one carrier frequency; at the next moment, the signal modulates another carrier frequency.
Answer:
MCQ: The _______ technique uses M different carrier frequencies that are modulated by the source signal. At one moment, the sign modulates one carrier frequency; at the next moment, the signal modulates another carrier frequency.
Correct Answer:
A. FDM
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Related Questions
- 1. The ______ technique expands the bandwidth of a signal by replacing each data bit with n bits using a spreading code.
- 2. Transmission media are usually categorized as _______.
- 3. Transmission media lie below the _______ layer.
- 4. _______ cable consists of an inner copper core and a second conducting outer sheath.
- 5. In fiber optics, the signal is _______ waves.
- 6. Which of the following is not a guided medium?
- 7. Which step of transform coding used in multimedia is lossy?
- 8. Since the square matrix that represents the DCT coefficient is an ____________ matrix, inverse and transpose are the same.
- 9. ____________ is used to compress images.
- 10. The first phase of JPEG compression process is ___________.
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